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The small intestine is part of the body’s digestive system, which also includes the esophagus, stomach, and large intestine. The digestive system removes and processes nutrients (vitamins, minerals, carbohydrates, fats, proteins, and water) from foods and helps pass waste material out of the body. The small intestine i... | [{"question": "What is (are) Small Intestine Cancer?", "answer": "Key Points\n - Small intestine cancer is a rare disease in which malignant (cancer) cells form in the tissues of the small intestine. - There are five types of small intestine cancer. - Diet and health history can affect the risk... |
Renal cell cancer (also called kidney cancer or renal cell adenocarcinoma) is a disease in which malignant (cancer) cells are found in the lining of tubules (very small tubes) in the kidney. There are 2 kidneys, one on each side of the backbone, above the waist. Tiny tubules in the kidneys filter and clean the blood. T... | [{"question": "What is (are) Renal Cell Cancer?", "answer": "Key Points\n - Renal cell cancer is a disease in which malignant (cancer) cells form in tubules of the kidney. - Smoking and misuse of certain pain medicines can affect the risk of renal cell cancer. - Signs of renal cell cancer incl... |
Lymphoma is a disease in which malignant (cancer) cells form in the lymph system. The lymph system is part of the immune system and is made up of the lymph, lymph vessels, lymph nodes, spleen, thymus, tonsils, and bone marrow. Lymphocytes (carried in the lymph) travel in and out of the central nervous system (CNS). It ... | [{"question": "What is (are) Primary CNS Lymphoma?", "answer": "Key Points\n - Primary central nervous system (CNS) lymphoma is a disease in which malignant (cancer) cells form in the lymph tissue of the brain and/or spinal cord. - Having a weakened immune system may increase the risk of developin... |
This page describes the different types of treatment for bile duct cancer (cholangiocarcinoma). Which of these treatments a patient receives will depend on whether the cancer can be completely removed with surgery (resectable) or not (unresectable). To learn more, see treatment of resectable and treatment of unresectab... | [{"question": "What is (are) Bile Duct Cancer (Cholangiocarcinoma)?", "answer": "Key Points\n - Bile duct cancer is a rare disease in which malignant (cancer) cells form in the bile ducts. - Having colitis or certain liver diseases can increase the risk of bile duct cancer. - Signs of bile duc... |
Langerhans cell histiocytosis (LCH) is a rare disease that begins in LCH cells. LCH cells are a type of dendritic cell that normally helps the body fight infection. Sometimes mutations (changes) develop in genes that control how dendritic cells function. These include mutations of the BRAF, MAP2K1, RAS, and ARAF genes.... | [{"question": "What is (are) Langerhans Cell Histiocytosis?", "answer": "Key Points\n - Langerhans cell histiocytosis is a type of cancer that can damage tissue or cause lesions to form in one or more places in the body. - Family history or having a parent who was exposed to certain chemicals may ... |
These tumors tend to spread through the cerebrospinal fluid (CSF) to other parts of the brain and spinal cord. Medulloblastoma and other CNS embryonal tumors may be malignant (cancer) or benign (not cancer). Most of the tumors in children are malignant. Malignant brain tumors are likely to grow quickly and spread into ... | [{"question": "What is (are) Childhood Central Nervous System Embryonal Tumors?", "answer": "Key Points \n - Central nervous system (CNS) embryonal tumors may begin in embryonic (fetal) cells that remain in the brain after birth. - There are different types of CNS embryonal tumors. - Pineoblas... |
The immune system helps protect the body from infection and disease. The lymph system is made up of the following: Lymph tissue is also found in other parts of the body such as the stomach, thyroid gland, brain, and skin. Non-Hodgkin lymphoma can begin in B lymphocytes, T lymphocytes, or natural killer cells. There are... | [{"question": "What is (are) Childhood Non-Hodgkin Lymphoma?", "answer": "Key Points\n - Childhood non-Hodgkin lymphoma is a disease in which malignant (cancer) cells form in the lymph system. - The main types of lymphoma are Hodgkin lymphoma and non-Hodgkin lymphoma. - There are three major ty... |
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread. Scientists are trying to better understand which people are more likely t... | [{"question": "What is (are) Prostate Cancer?", "answer": "Key Points\n - Prostate cancer is a disease in which malignant (cancer) cells form in the tissues of the prostate. - Prostate cancer is the most common nonskin cancer among men in the United States. - Different factors increase or decre... |
Normally, the bone marrow makes blood stem cells (immature cells) that become mature blood cells over time. A blood stem cell may become a myeloid stem cell or a lymphoid stem cell. A lymphoid stem cell becomes a white blood cell. A myeloid stem cell becomes one of three types of mature blood cells: In myeloproliferati... | [{"question": "What is (are) Primary Myelofibrosis?", "answer": "Key Points\n - Primary myelofibrosis is a disease in which abnormal blood cells and fibers build up inside the bone marrow. - Symptoms of primary myelofibrosis include pain below the ribs on the left side and feeling very tired. -... |
There are different types of treatment for patients with liver cancer. Some treatments are standard (the currently used treatment), and some are being tested in clinical trials. Surveillance is used for lesions smaller than 1 centimeter found during screening. Follow-up every 3 months is common. Surveillance is closely... | [{"question": "What is (are) Adult Primary Liver Cancer?", "answer": "Key Points\n - Adult primary liver cancer is a disease in which malignant (cancer) cells form in the tissues of the liver. - There are two types of adult primary liver cancer. - Having hepatitis or cirrhosis can affect the ri... |
The uterus is part of the female reproductive system. The uterus is the hollow, pear-shaped organ in the pelvis, where a fetus grows. The cervix is at the lower, narrow end of the uterus, and leads to the vagina. EnlargeAnatomy of the female reproductive system. The organs in the female reproductive system include the ... | [{"question": "What is (are) Uterine Sarcoma?", "answer": "Key Points\n - Uterine sarcoma is a disease in which malignant (cancer) cells form in the muscles of the uterus or other tissues that support the uterus. - Being exposed to x-rays can increase the risk of uterine sarcoma. - Signs of ut... |
Myelodysplastic/myeloproliferative neoplasms are diseases of the blood and bone marrow. Normally, the bone marrow makes blood stem cells (immature cells) that become mature blood cells over time. A blood stem cell may become a myeloid stem cell or a lymphoid stem cell. A lymphoid stem cell becomes a white blood cell. A... | [{"question": "What is (are) Juvenile Myelomonocytic Leukemia?", "answer": "Key Points\n - Juvenile myelomonocytic leukemia is a childhood disease in which too many myelocytes and monocytes (immature white blood cells) are made in the bone marrow. - Signs and symptoms of juvenile myelomonocytic le... |
Acute myeloid leukemia (AML) is a cancer of the blood and bone marrow. It is the most common type of acute leukemia in adults. This type of cancer usually gets worse quickly if it is not treated. AML is also called acute myelogenous leukemia and acute nonlymphocytic leukemia. Normally, the bone marrow makes blood stem ... | [{"question": "What is (are) Adult Acute Myeloid Leukemia?", "answer": "Key Points\n - Adult acute myeloid leukemia (AML) is a type of cancer in which the bone marrow makes abnormal myeloblasts (a type of white blood cell), red blood cells, or platelets. - Leukemia may affect red blood cells, whi... |
Gliomas are tumors formed from glial cells. Glial cells in the brain hold nerve cells in place, bring food and oxygen to nerve cells, and help protect nerve cells from disease, such as infection. In brain stem glioma, the glial cells in the brain stem are affected. The brain stem is made up of the midbrain, pons, and m... | [{"question": "What is (are) Childhood Brain Stem Glioma?", "answer": "Key Points \n - Childhood brain stem glioma is a disease in which benign (noncancer) or malignant (cancer) cells form in the tissues of the brain stem. - Brain tumors may be benign (not cancer) or malignant (cancer). - Ther... |
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread. Scientists are trying to better understand which people are more likely t... | [{"question": "What is (are) Ovarian, Fallopian Tube, and Primary Peritoneal Cancer?", "answer": "Key Points\n - Ovarian, fallopian tube, and primary peritoneal cancers are diseases in which malignant (cancer) cells form in the ovaries, fallopian tubes, or peritoneum. - In the United States, ovari... |
There are many types of childhood brain and spinal cord tumors. The tumors are formed by the abnormal growth of cells and may begin in different areas of the brain or spinal cord. The tumors may be benign (not cancer) or malignant (cancer). Benign brain tumors may grow and press on nearby areas of the brain. They rarel... | [{"question": "What is (are) Childhood Brain and Spinal Cord Tumors?", "answer": "Key Points\n - A childhood brain or spinal cord tumor is a disease in which abnormal cells form in the tissues of the brain or spinal cord. - The brain controls many important body functions. - The spinal cord co... |
The testicles are 2 egg-shaped glands located inside the scrotum (a sac of loose skin that lies directly below the penis). The testicles are held within the scrotum by the spermatic cord, which also contains the vas deferens and vessels and nerves of the testicles. EnlargeAnatomy of the male reproductive and urinary sy... | [{"question": "Who is at risk for Testicular Cancer?", "answer": "Health history can affect the risk of testicular cancer.\n\t Anything that increases the chance of getting a disease is called a risk factor. Having a risk factor does not mean that you will get cancer; not having risk factors doesnt m... |
Breast cancer may occur in men. Breast cancer may occur in men at any age, but it usually occurs in men between 60 and 70 years of age. Male breast cancer makes up less than 1% of all cases of breast cancer. The following types of breast cancer are found in men: Lobular carcinoma in situ (abnormal cells found in one of... | [{"question": "What is (are) Male Breast Cancer?", "answer": "Key Points\n - Male breast cancer is a disease in which malignant (cancer) cells form in the tissues of the breast. - Radiation exposure, high levels of estrogen, and a family history of breast cancer can increase a mans risk of breast ... |
Central nervous system (CNS) atypical teratoid/rhabdoid tumor (AT/RT) is a very rare, fast-growing tumor that begins in the brain and spinal cord. It usually occurs in children aged 3 years and younger, although it can occur in older children and adults. About half of these tumors form in the cerebellum or brain stem. ... | [{"question": "What is (are) Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor?", "answer": "Key Points\n - Central nervous system atypical teratoid/rhabdoid tumor is a disease in which malignant (cancer) cells form in the tissues of the brain. - Certain genetic changes may increas... |
The skin is the body’s largest organ. It protects against heat, sunlight, injury, and infection. Skin also helps control body temperature and stores water, fat, and vitamin D. The skin has several layers, but the two main layers are the epidermis (upper or outer layer) and the dermis (lower or inner layer). Skin cancer... | [{"question": "What is (are) Melanoma?", "answer": "Key Points\n - Melanoma is a disease in which malignant (cancer) cells form in melanocytes (cells that color the skin). - There are different types of cancer that start in the skin. - Melanoma can occur anywhere on the skin. - Unusual mole... |
Thymoma and thymic carcinoma, also called thymic epithelial tumors (TETs), are two types of rare cancers that can form in the cells that cover the outside surface of the thymus. The thymus is a small organ that lies in the upper chest above the heart and under the breastbone. It is part of the lymph system and makes wh... | [{"question": "What is (are) Thymoma and Thymic Carcinoma?", "answer": "Key Points\n - Thymoma and thymic carcinoma are diseases in which malignant (cancer) cells form on the outside surface of the thymus. - Thymoma is linked with myasthenia gravis and other autoimmune diseases. - Signs and sy... |
"Extragonadal" means outside of the gonads (sex organs). When cells that are meant to form sperm in the testicles or eggs in the ovaries travel to other parts of the body, they may grow into extragonadal germ cell tumors. These tumors may begin to grow anywhere in the body but usually begin in organs such as the pineal... | [{"question": "What is (are) Extragonadal Germ Cell Tumors?", "answer": "Key Points\n - Extragonadal germ cell tumors form from developing sperm or egg cells that travel from the gonads to other parts of the body. - Age and gender can affect the risk of extragonadal germ cell tumors. - Signs a... |
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread. Scientists are trying to better understand which people are more likely t... | [{"question": "What is (are) Colorectal Cancer?", "answer": "Key Points\n - Colorectal cancer is a disease in which malignant (cancer) cells form in the tissues of the colon or the rectum. - Colorectal cancer is the second leading cause of death from cancer in the United States. - Different f... |
Rhabdomyosarcoma is a type of sarcoma. Sarcoma is cancer of soft tissue (such as muscle), connective tissue (such as tendon or cartilage), or bone. Rhabdomyosarcoma usually begins in muscles that are attached to bones and that help the body move, but it may begin in many places in the body. Rhabdomyosarcoma is the most... | [{"question": "Who is at risk for Childhood Rhabdomyosarcoma?", "answer": "Certain genetic conditions increase the risk of childhood rhabdomyosarcoma. Anything that increases the risk of getting a disease is called a risk factor. Having a risk factor does not mean that you will get cancer; not having risk factors doesn... |
Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer. To prevent new cancers from starting, scientists look at risk factors and protective fac... | [{"question": "What is (are) Skin Cancer?", "answer": "Key Points\n - Skin cancer is a disease in which malignant (cancer) cells form in the tissues of the skin. - There are several types of skin cancer. - Skin cancer is the most common cancer in the United States.\n \n ... |
The breast is made up of lobes and ducts. Each breast has 15 to 20 sections called lobes. Each lobe has many smaller sections called lobules. Lobules end in dozens of tiny bulbs that can make milk. The lobes, lobules, and bulbs are linked by thin tubes called ducts. EnlargeAnatomy of the female breast. The nipple and a... | [{"question": "What is (are) Breast Cancer?", "answer": "Key Points\n - Breast cancer is a disease in which malignant (cancer) cells form in the tissues of the breast. - A family history of breast cancer and other factors increase the risk of breast cancer. - Breast cancer is sometimes caused ... |
There are two kidneys, one on each side of the spine, above the waist. Tiny tubules in the kidneys filter and clean the blood. They take out waste products and make urine. The urine passes from each kidney through a long tube called a ureter into the bladder. The bladder holds the urine until it passes through the uret... | [{"question": "What is (are) Wilms Tumor and Other Childhood Kidney Tumors?", "answer": "Key Points\n - Childhood kidney tumors are diseases in which malignant (cancer) cells form in the tissues of the kidney. - There are many types of childhood kidney tumors. - Wilms Tumor - Renal Cel... |
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread. Scientists are trying to better understand which people are more likely t... | [{"question": "What is (are) Endometrial Cancer?", "answer": "Key Points\n - Endometrial cancer is a disease in which malignant (cancer) cells form in the tissues of the endometrium. - In the United States, endometrial cancer is the most common invasive cancer of the female reproductive system. ... |
The renal pelvis is the top part of the ureter. The ureter is a long tube that connects the kidney to the bladder. There are two kidneys, one on each side of the backbone, above the waist. The kidneys of an adult are about 5 inches long and 3 inches wide and are shaped like a kidney bean. Tiny tubules in the kidneys fi... | [{"question": "What is (are) Transitional Cell Cancer of the Renal Pelvis and Ureter?", "answer": "Key Points\n - Transitional cell cancer of the renal pelvis and ureter is a disease in which malignant (cancer) cells form in the renal pelvis and ureter. - Misuse of certain pain medicines can affe... |
Vulvar cancer forms in a woman's external genitalia. The vulva includes: Vulvar cancer most often affects the outer vaginal lips. Less often, cancer affects the inner vaginal lips, clitoris, or vaginal glands. Vulvar cancer usually forms slowly over many years. Abnormal cells can grow on the surface of the vulvar skin ... | [{"question": "What is (are) Vulvar Cancer?", "answer": "Key Points\n - Vulvar cancer is a rare disease in which malignant (cancer) cells form in the tissues of the vulva. - Having vulvar intraepithelial neoplasia or HPV infection can affect the risk of vulvar cancer. - Signs of vulvar cancer i... |
The pancreas is a gland about 6 inches long that is shaped like a thin pear lying on its side. The wider end of the pancreas is called the head, the middle section is called the body, and the narrow end is called the tail. The pancreas lies between the stomach and the spine.EnlargeAnatomy of the pancreas. The pancreas ... | [{"question": "What is (are) Pancreatic Cancer?", "answer": "Key Points\n - Pancreatic cancer is a disease in which malignant (cancer) cells form in the tissues of the pancreas. - Smoking and health history can affect the risk of pancreatic cancer. - Signs and symptoms of pancreatic cancer incl... |
Merkel cells are found in the top layer of the skin. These cells are very close to the nerve endings that receive the sensation of touch. Merkel cell carcinoma, also called neuroendocrine carcinoma of the skin or trabecular cancer, is a very rare type of skin cancer that forms when Merkel cells grow out of control. Mer... | [{"question": "What is (are) Merkel Cell Carcinoma?", "answer": "Key Points\n - Merkel cell carcinoma is a very rare disease in which malignant (cancer) cells form in the skin. - Sun exposure and having a weak immune system can affect the risk of Merkel cell carcinoma. - Merkel cell carcinoma u... |
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread. Scientists are trying to better understand which people are more likely t... | [{"question": "What is (are) Skin Cancer?", "answer": "Key Points\n - Skin cancer is a disease in which malignant (cancer) cells form in the tissues of the skin. - Nonmelanoma skin cancer is the most common cancer in the United States. - Being exposed to ultraviolet radiation may increase the r... |
A germ cell is a type of cell that forms as a fetus develops. These cells later become sperm in the testicles or eggs in the ovaries. This summary is about germ cell tumors that form in parts of the body that are extracranial (outside the brain). Extracranial germ cell tumors usually form in the following areas of the ... | [{"question": "What is (are) Childhood Extracranial Germ Cell Tumors?", "answer": "Key Points\n - Childhood extracranial germ cell tumors form from germ cells in parts of the body other than the brain. - Childhood extracranial germ cell tumors may be benign or malignant. - There are three types... |
In a healthy person, the bone marrow makes blood stem cells (immature cells) that become mature blood cells over time. A blood stem cell may become a lymphoid stem cell or a myeloid stem cell. A lymphoid stem cell becomes a white blood cell. A myeloid stem cell becomes one of three types of mature blood cells: In a pat... | [{"question": "What is (are) Myelodysplastic Syndromes?", "answer": "Key Points\n - Myelodysplastic syndromes are a group of cancers in which immature blood cells in the bone marrow do not mature or become healthy blood cells. - The different types of myelodysplastic syndromes are diagnosed based... |
The parathyroid glands are four pea-sized organs found in the neck near the thyroid gland. The parathyroid glands make parathyroid hormone (PTH or parathormone). PTH helps the body use and store calcium to keep the calcium in the blood at normal levels. A parathyroid gland may become overactive and make too much PTH, a... | [{"question": "What is (are) Parathyroid Cancer?", "answer": "Key Points\n - Parathyroid cancer is a rare disease in which malignant (cancer) cells form in the tissues of a parathyroid gland. - Having certain inherited disorders can increase the risk of developing parathyroid cancer. - Signs a... |
The gastrointestinal (GI) tract is part of the body's digestive system. It helps to digest food, takes nutrients (vitamins, minerals, carbohydrates, fats, proteins, and water) from food to be used by the body and helps pass waste material out of the body. The GI tract is made up of these and other organs: Gastrointesti... | [{"question": "What is (are) Gastrointestinal Carcinoid Tumors?", "answer": "Key Points\n - A gastrointestinal carcinoid tumor is cancer that forms in the lining of the gastrointestinal tract. - Health history can affect the risk of gastrointestinal carcinoid tumors. - Some gastrointestinal ... |
Germ cells are the reproductive cells in a fetus. These cells later become sperm in the testicles or unfertilized eggs in the ovaries. Sometimes the germ cells travel to or from other parts of the fetus as it develops and later become germ cell tumors. Most germ cell tumors form in the testes or ovaries. Germ cell tumo... | [{"question": "What is (are) Childhood Central Nervous System Germ Cell Tumors?", "answer": "Key Points\n - Childhood central nervous system (CNS) germ cell tumors form from germ cells. - There are different types of childhood CNS germ cell tumors. - Germinomas - Nongerminomas ... |
The endometrium is the lining of the uterus, a hollow, muscular organ in a woman’s pelvis. The uterus is where a fetus grows. In most nonpregnant women, the uterus is about 3 inches long. The lower, narrow end of the uterus is the cervix, which leads to the vagina. Cancer of the endometrium is different from cancer of ... | [{"question": "What is (are) Endometrial Cancer?", "answer": "Key Points\n - Endometrial cancer is a disease in which malignant (cancer) cells form in the tissues of the endometrium. - Obesity and having metabolic syndrome may increase the risk of endometrial cancer. - Taking tamoxifen for bre... |
Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer. To prevent new cancers from starting, scientists look at risk factors and protective fac... | [{"question": "How to prevent Oral Cavity and Oropharyngeal Cancer?", "answer": "Key Points\n - Avoiding risk factors and increasing protective factors may help prevent cancer. - The following are risk factors for oral cavity cancer and oropharyngeal cancer: - Tobacco use - Alcohol use... |
Gallbladder cancer is a rare disease in which malignant (cancer) cells are found in the tissues of the gallbladder. The gallbladder is a pear-shaped organ that lies just under the liver in the upper abdomen. The gallbladder stores bile, a fluid made by the liver to digest fat. When food is being broken down in the stom... | [{"question": "What is (are) Gallbladder Cancer?", "answer": "Key Points\n - Gallbladder cancer is a disease in which malignant (cancer) cells form in the tissues of the gallbladder. - Being female can increase the risk of developing gallbladder cancer. - Signs and symptoms of gallbladder canc... |
Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer. To prevent new cancers from starting, scientists look at risk factors and protective fac... | [{"question": "What is (are) Lung Cancer?", "answer": "Key Points\n - Lung cancer is a disease in which malignant (cancer) cells form in the tissues of the lung. - Lung cancer is the leading cause of cancer death in both men and women.\n \n \n Lung ... |
The prostate is a gland in the male reproductive system. It lies just below the bladder (the organ that collects and empties urine) and in front of the rectum (the lower part of the intestine). It is about the size of a walnut and surrounds part of the urethra (the tube that empties urine from the bladder). The prostat... | [{"question": "What is (are) Prostate Cancer?", "answer": "Key Points\n - Prostate cancer is a disease in which malignant (cancer) cells form in the tissues of the prostate. - Signs of prostate cancer include a weak flow of urine or frequent urination. - Tests that examine the prostate and blo... |
Childhood acute lymphoblastic leukemia (also called ALL or acute lymphocytic leukemia) is a cancer of the blood and bone marrow. This type of cancer usually gets worse quickly if it is not treated. ALL is the most common type of cancer in children. In a healthy child, the bone marrow makes blood stem cells (immature ce... | [{"question": "What is (are) Childhood Acute Lymphoblastic Leukemia?", "answer": "Key Points\n - Childhood acute lymphoblastic leukemia (ALL) is a type of cancer in which the bone marrow makes too many immature lymphocytes (a type of white blood cell). - Leukemia may affect red blood cells, white ... |
Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer. To prevent new cancers from starting, scientists look at risk factors and protective fac... | [{"question": "What is (are) Colorectal Cancer?", "answer": "Key Points\n - Colorectal cancer is a disease in which malignant (cancer) cells form in the tissues of the colon or the rectum. - Colorectal cancer is the second leading cause of death from cancer in the United States.\n ... |
Kaposi sarcoma is a cancer that causes lesions (abnormal tissue) to grow in the skin; the mucous membranes lining the mouth, nose, and throat; lymph nodes; or other organs. The lesions are usually purple and are made of cancer cells, new blood vessels, red blood cells, and white blood cells. Kaposi sarcoma is different... | [{"question": "What is (are) Kaposi Sarcoma?", "answer": "Key Points\n - Kaposi sarcoma is a disease in which malignant tumors (cancer) can form in the skin, mucous membranes, lymph nodes, and other organs. - Tests that examine the skin, lungs, and gastrointestinal tract are used to detect (find) ... |
Liver cancer is rare in children. There are several different types of childhood liver cancer. The most common type is hepatoblastoma. The other less common types of childhood liver cancer are hepatocellular carcinoma, undifferentiated embryonal sarcoma of the liver, and infantile choriocarcinoma of the liver. Certain ... | [{"question": "What is (are) Childhood Liver Cancer?", "answer": "Key Points\n - Childhood liver cancer is a disease in which malignant (cancer) cells form in the tissues of the liver. - There are different types of childhood liver cancer. - Certain diseases and disorders can increase the risk ... |
The gastrointestinal (GI) tract is part of the body’s digestive system. It helps to digest food and takes nutrients (vitamins, minerals, carbohydrates, fats, proteins, and water) from food so they can be used by the body. The GI tract is made up of the following organs: Some gastrointestinal stromal tumors (GISTs) grow... | [{"question": "What is (are) Gastrointestinal Stromal Tumors?", "answer": "Key Points\n - Gastrointestinal stromal tumor is a disease in which abnormal cells form in the tissues of the gastrointestinal tract. - Genetic factors can increase the risk of having a gastrointestinal stromal tumor. -... |
The lymph system is part of the immune system. It helps protect the body from infection and disease. The lymph system is made up of the following: Bits of lymph tissue are also found in other parts of the body such as the lining of the gastrointestinal tract, bronchus, and skin. There are two general types of lymphoma:... | [{"question": "What is (are) Childhood Hodgkin Lymphoma?", "answer": "Key Points\n - Childhood Hodgkin lymphoma is a disease in which malignant (cancer) cells form in the lymph system. - There are two types of childhood Hodgkin lymphoma. - Epstein-Barr virus infection increases the risk of chi... |
Ewing sarcoma most often forms in the bones of the legs, arms, feet, hands, chest, pelvis, spine, or skull. Less often, it forms in the soft tissue of the trunk, arms, legs, head, neck, retroperitoneum (area in the back of the abdomen behind the tissue that lines the abdominal wall and covers most of the organs in the ... | [{"question": "What is (are) Ewing Sarcoma?", "answer": "Key Points\n - Ewing sarcoma is a type of tumor that forms in bone or soft tissue. - Signs and symptoms of Ewing sarcoma include swelling and pain near the tumor. - Tests that examine the bone and soft tissue are used to diagnose and sta... |
The penis is a rod-shaped male reproductive organ that passes sperm and urine from the body. It contains two types of erectile tissue (spongy tissue with blood vessels that fill with blood to make an erection): The erectile tissue is wrapped in connective tissue and covered with skin. The glans (head of the penis) is c... | [{"question": "What is (are) Penile Cancer?", "answer": "Key Points\n - Penile cancer is a disease in which malignant (cancer) cells form in the tissues of the penis. - Human papillomavirus infection may increase the risk of developing penile cancer. - Signs of penile cancer include sores, disc... |
Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer. To prevent new cancers from starting, scientists look at risk factors and protective fac... | [{"question": "What is (are) Ovarian, Fallopian Tube, and Primary Peritoneal Cancer?", "answer": "Key Points\n - Ovarian, fallopian tube, and primary peritoneal cancers are diseases in which malignant (cancer) cells form in the ovaries, fallopian tubes, or peritoneum. - Ovarian cancer is the leadi... |
Worldwide, liver cancer is the sixth most common cancer and the third leading cause of cancer death. In the United States, rates are highest in American Indian/Alaska Native individuals. The number of new cases of liver cancer continues to increase, making it the sixth leading cause of cancer deaths in the United State... | [{"question": "What is (are) Liver (Hepatocellular) Cancer?", "answer": "Key Points\n - Liver cancer is a disease in which malignant (cancer) cells form in the tissues of the liver. - Liver cancer is not common in the United States. - Being infected with certain types of the hepatitis virus can... |
Pituitary tumors form in the pituitary gland, a pea-sized organ in the center of the brain, just above the back of the nose. The pituitary gland is sometimes called the "master endocrine gland" because it makes hormones that affect the way many parts of the body work. It also controls hormones made by many other glands... | [{"question": "What is (are) Pituitary Tumors?", "answer": "Key Points\n - A pituitary tumor is a growth of abnormal cells in the tissues of the pituitary gland. - The pituitary gland hormones control many other glands in the body. - Having certain genetic conditions increases the risk of devel... |
Childhood craniopharyngiomas are rare tumors usually found near the pituitary gland (a pea-sized organ at the bottom of the brain that controls other glands) and the hypothalamus (a small cone-shaped organ connected to the pituitary gland by nerves). Craniopharyngiomas are usually part solid mass and part fluid-filled ... | [{"question": "What is (are) Childhood Craniopharyngioma?", "answer": "Key Points\n - Childhood craniopharyngiomas are benign brain tumors found near the pituitary gland. - There are no known risk factors for childhood craniopharyngioma. - Signs of childhood craniopharyngioma include vision cha... |
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread. Scientists are trying to better understand which people are more likely t... | [{"question": "What is (are) Lung Cancer?", "answer": "Key Points\n - Lung cancer is a disease in which malignant (cancer) cells form in the tissues of the lung. - Lung cancer is the leading cause of cancer death in the United States. - Different factors increase or decrease the risk of lung ca... |
The skin is the body’s largest organ. It protects against heat, sunlight, injury, and infection. Skin also helps control body temperature and stores water, fat, and vitamin D. The skin has several layers, but the two main layers are the epidermis (upper or outer layer) and the dermis (lower or inner layer). Skin cancer... | [{"question": "What is (are) Skin Cancer?", "answer": "Key Points\n - Skin cancer is a disease in which malignant (cancer) cells form in the tissues of the skin. - There are different types of cancer that start in the skin. - Skin color and being exposed to sunlight can increase the risk of no... |
In gestational trophoblastic disease (GTD), a tumor develops inside the uterus from tissue that forms after conception (the joining of sperm and egg). This tissue is made of trophoblast cells and normally surrounds the fertilized egg in the uterus. Trophoblast cells help connect the fertilized egg to the wall of the ut... | [{"question": "What is (are) Gestational Trophoblastic Disease?", "answer": "Key Points\n - Gestational trophoblastic disease (GTD) is a group of rare diseases in which abnormal trophoblast cells grow inside the uterus after conception. - Hydatidiform mole (HM) is the most common type of GTD. -... |
These tumors may be benign (not cancer) or malignant (cancer). There are many types of vascular tumors. The most common type of childhood vascular tumor is infantile hemangioma, which is a benign tumor that usually goes away on its own. Because malignant vascular tumors are rare in children, there is not a lot of infor... | [{"question": "What is (are) Childhood Vascular Tumors?", "answer": "Key Points\n - Childhood vascular tumors form from cells that make blood vessels or lymph vessels. - Tests are used to detect (find) and diagnose childhood vascular tumors. - Childhood vascular tumors may be classified into fo... |
Osteosarcoma usually starts in osteoblasts, which are a type of bone cell that becomes new bone. Osteosarcoma is most common in adolescents. It commonly forms in the ends of the long bones of the body, which include bones of the arms and legs. In children and adolescents, it often forms in the long bones, near the knee... | [{"question": "What is (are) Osteosarcoma and Malignant Fibrous Histiocytoma of Bone?", "answer": "Key Points\n - Osteosarcoma and malignant fibrous histiocytoma (MFH) of the bone are diseases in which malignant (cancer) cells form in bone. - Having past treatment with radiation can increase the r... |
The breast is made up of lobes and ducts. Each breast has 15 to 20 sections called lobes. Each lobe has many smaller sections called lobules. Lobules end in dozens of tiny bulbs that can make milk. The lobes, lobules, and bulbs are linked by thin tubes called ducts. EnlargeAnatomy of the female breast. The nipple and a... | [{"question": "What is (are) Breast Cancer?", "answer": "Key Points\n - Breast cancer is a disease in which malignant (cancer) cells form in the tissues of the breast. - Sometimes breast cancer occurs in women who are pregnant or have just given birth. - Signs of breast cancer include a lump o... |
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread. Scientists are trying to better understand which people are more likely t... | [{"question": "What is (are) Neuroblastoma?", "answer": "Key Points\n - Neuroblastoma is a disease in which malignant (cancer) cells form in nerve tissue. - Most cases of neuroblastoma are diagnosed before 1 year of age. - The risk factors for neuroblastoma are not known.\n \n ... |
The lungs are a pair of cone-shaped breathing organs in the chest. The lungs bring oxygen into the body as you breathe in. They release carbon dioxide, a waste product of the body’s cells, as you breathe out. Each lung has sections called lobes. The left lung has two lobes. The right lung is slightly larger and has thr... | [{"question": "What is (are) Non-Small Cell Lung Cancer?", "answer": "Key Points\n - Non-small cell lung cancer is a disease in which malignant (cancer) cells form in the tissues of the lung. - There are several types of non-small cell lung cancer. - Smoking is the major risk factor for non-sm... |
The anus is the end of the large intestine, below the rectum, through which stool (solid waste) leaves the body. The anus is formed partly from the outer skin layers of the body and partly from the intestine. Two ring-like muscles, called sphincter muscles, open and close the anal opening and let stool pass out of the ... | [{"question": "What is (are) Anal Cancer?", "answer": "Key Points\n\t\t\t\t - Anal cancer is a disease in which malignant (cancer) cells form in the tissues of the anus. - Squamous cell carcinoma is the most common type of anal cancer. - In the United States, the number of new cases of anal can... |
Intraocular melanoma begins in the middle of three layers of the wall of the eye. The outer layer includes the white sclera (the "white of the eye") and the clear cornea at the front of the eye. The inner layer has a lining of nerve tissue, called the retina, which senses light and sends images along the optic nerve to... | [{"question": "What is (are) Intraocular (Uveal) Melanoma?", "answer": "Key Points\n - Intraocular melanoma is a disease in which malignant (cancer) cells form in the tissues of the eye. - Being older and having fair skin may increase the risk of intraocular melanoma. - Signs of intraocular mel... |
Soft tissues of the body connect, support, and surround other body parts and organs. The soft tissues of the body include the following: Soft tissue sarcomas can form almost anywhere in the body, including the head, neck, and trunk, but are most common in the arms, legs, abdomen, and retroperitoneum.EnlargeSoft tissue ... | [{"question": "What is (are) Adult Soft Tissue Sarcoma?", "answer": "Key Points\n - Adult soft tissue sarcoma is a disease in which malignant (cancer) cells form in the soft tissues of the body. - Having certain inherited disorders can increase the risk of adult soft tissue sarcoma. - A sign of... |
Childhood acute myeloid leukemia (AML) is a cancer of the blood and bone marrow. AML is also called acute myelogenous leukemia and acute nonlymphocytic leukemia. Cancers that are acute usually get worse quickly if they are not treated. Cancers that are chronic usually get worse slowly. This summary is about the treatme... | [{"question": "What is (are) Childhood Acute Myeloid Leukemia and Other Myeloid Malignancies?", "answer": "Key Points\n - Childhood acute myeloid leukemia (AML) is a type of cancer in which the bone marrow makes a large number of abnormal blood cells. - Leukemia and other diseases of the blood and... |
Germ cell tumors begin in the reproductive cells (egg or sperm) of the body. Ovarian germ cell tumors usually occur in teenage girls or young women and most often affect just one ovary. The ovaries are a pair of organs in the female reproductive system. They are in the pelvis, one on each side of the uterus (the hollow... | [{"question": "What is (are) Ovarian Germ Cell Tumors?", "answer": "Key Points\n - Ovarian germ cell tumor is a disease in which malignant (cancer) cells form in the germ (egg) cells of the ovary. - Signs of ovarian germ cell tumor are swelling of the abdomen or vaginal bleeding after menopause. ... |
Chronic myelogenous leukemia (also called CML or chronic granulocytic leukemia) is a slowly progressing blood and bone marrow disease that usually occurs during or after middle age, and rarely occurs in children. Normally, the bone marrow makes blood stem cells (immature cells) that become mature blood cells over time.... | [{"question": "What is (are) Chronic Myelogenous Leukemia?", "answer": "Key Points\n - Chronic myelogenous leukemia is a disease in which the bone marrow makes too many white blood cells. - Leukemia may affect red blood cells, white blood cells, and platelets. - Signs and symptoms of chronic my... |
Normally, the bone marrow makes blood stem cells (immature cells) that become mature blood stem cells over time. A blood stem cell may become a myeloid stem cell or a lymphoid stem cell. A myeloid stem cell becomes a red blood cell, white blood cell, or platelet. A lymphoid stem cell becomes a lymphoblast and then one ... | [{"question": "What is (are) Mycosis Fungoides and the Szary Syndrome?", "answer": "Key Points\n - Mycosis fungoides and the Szary syndrome are diseases in which lymphocytes (a type of white blood cell) become malignant (cancerous) and affect the skin. - Mycosis fungoides and the Szary syndrome ar... |
The rectum is part of the body’s digestive system. The digestive system takes in nutrients (vitamins, minerals, carbohydrates, fats, proteins, and water) from foods and helps pass waste material out of the body. The digestive system is made up of the esophagus, stomach, and the small and large intestines. The colon (la... | [{"question": "What is (are) Rectal Cancer?", "answer": "Key Points\n - Rectal cancer is a disease in which malignant (cancer) cells form in the tissues of the rectum. - Health history affects the risk of developing rectal cancer. - Signs of rectal cancer include a change in bowel habits or bl... |
The urethra is the tube that carries urine from the bladder to outside the body. In women, the urethra is about 1½ inches long and is just above the vagina. In men, the urethra is about 8 inches long, and goes through the prostate gland and the penis to the outside of the body. In men, the urethra also carries semen. U... | [{"question": "What is (are) Urethral Cancer?", "answer": "Key Points\n - Urethral cancer is a disease in which malignant (cancer) cells form in the tissues of the urethra. - There are different types of urethral cancer that begin in cells that line the urethra. - A history of bladder cancer c... |
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread. Scientists are trying to better understand which people are more likely t... | [{"question": "What is (are) Oral Cavity and Oropharyngeal Cancer?", "answer": "Key Points\n - Oral cavity and oropharyngeal cancer are diseases in which malignant (cancer) cells form in the mouth and throat. - The number of new cases of oral cavity and oropharyngeal cancer and the number of death... |
Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer. To prevent new cancers from starting, scientists look at risk factors and protective fac... | [{"question": "How to prevent Anal Cancer?", "answer": "Key Points\n - Avoiding risk factors and increasing protective factors may help prevent cancer. - The following are risk factors for anal cancer: - Anal HPV infection - Certain medical conditions - History of cervical,... |
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. It is important to remember that your doctor does not necessarily think you have cancer if he or she suggests a screening test. Screeni... | [{"question": "What is (are) Liver (Hepatocellular) Cancer?", "answer": "Key Points\n - Liver cancer is a disease in which malignant (cancer) cells form in the tissues of the liver. - Liver cancer is less common in the United States than in other parts of the world. - Having hepatitis or cirrho... |
Soft tissues of the body connect, support, and surround other body parts and organs. The soft tissue include the following: Soft tissue sarcoma may be found anywhere in the body. In children, the tumors form most often in the arms, legs, chest, or abdomen.EnlargeSoft tissue sarcoma forms in soft tissues of the body, in... | [{"question": "What is (are) Childhood Soft Tissue Sarcoma?", "answer": "Key Points\n\t\t\t\t\t\t\t - Childhood soft tissue sarcoma is a disease in which malignant (cancer) cells form in soft tissues of the body. - Soft tissue sarcoma occurs in children and adults. - Having certain diseases and... |
Screening is looking for signs of disease, such as breast cancer, before a person has symptoms. The goal of screening tests is to find cancer at an early stage when it can be treated and may be cured. Sometimes a screening test finds cancer that is very small or very slow growing. These cancers are unlikely to cause de... | [{"question": "What is (are) Breast Cancer?", "answer": "Key Points\n - Breast cancer is a disease in which malignant (cancer) cells form in the tissues of the breast. - Breast cancer is the second leading cause of death from cancer in American women. - Different factors increase or decrease t... |
Adult acute lymphoblastic leukemia (ALL; also called acute lymphocytic leukemia) is a cancer of the blood and bone marrow. This type of cancer usually gets worse quickly if it is not treated. Normally, the bone marrow makes blood stem cells (immature cells) that become mature blood cells over time. A blood stem cell ma... | [{"question": "What is (are) Adult Acute Lymphoblastic Leukemia?", "answer": "Key Points\n - Adult acute lymphoblastic leukemia (ALL) is a type of cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell). - Leukemia may affect red blood cells, white blood cells, and ... |
The retina is made of nerve tissue that lines the inside wall of the back of the eye. It receives light and converts the light into signals that travel down the optic nerve to the brain. The brain decodes the signals so that you can see the image. EnlargeAnatomy of the eye, showing the outside and inside of the eye inc... | [{"question": "What is (are) Retinoblastoma?", "answer": "Key Points\n - Retinoblastoma is a disease in which malignant (cancer) cells form in the tissues of the retina. - Retinoblastoma occurs in heritable and nonheritable forms. - Treatment for both forms of retinoblastoma should include ge... |
Adult Hodgkin lymphoma is a type of cancer that develops in the lymph system. The lymph system is part of the immune system. It helps protect the body from infection and disease. The lymph system is made up of the following: Lymph tissue is also found in other parts of the body, such as the lining of the digestive trac... | [{"question": "What is (are) Adult Hodgkin Lymphoma?", "answer": "Key Points\n - Adult Hodgkin lymphoma is a disease in which malignant (cancer) cells form in the lymph system. - There are two main types of Hodgkin lymphoma: classical and nodular lymphocyte-predominant. - Age, gender, and Epste... |
Hairy cell leukemia is a cancer of the blood and bone marrow. This rare type of leukemia gets worse slowly or does not get worse at all. The disease is called hairy cell leukemia because the leukemia cells look "hairy" when viewed under a microscope. Normally, the bone marrow makes blood stem cells (immature cells) tha... | [{"question": "What is (are) Hairy Cell Leukemia?", "answer": "Key Points\n - Hairy cell leukemia is a type of cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell). - Leukemia may affect red blood cells, white blood cells, and platelets. - Gender and age may a... |
The ovaries are a pair of organs in the female reproductive system. They are in the pelvis, one on each side of the uterus (the hollow, pear-shaped organ where a fetus grows). Each ovary is about the size and shape of an almond. The ovaries make eggs and female hormones (chemicals that control the way certain cells or ... | [{"question": "What is (are) Ovarian Epithelial, Fallopian Tube, and Primary Peritoneal Cancer?", "answer": "Key Points\n - Ovarian epithelial cancer, fallopian tube cancer, and primary peritoneal cancer are diseases in which malignant (cancer) cells form in the tissue covering the ovary or lining th... |
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread. Scientists are trying to better understand which people are more likely t... | [{"question": "What is (are) Testicular Cancer?", "answer": "Key Points\n - Testicular cancer is a disease in which malignant (cancer) cells form in the tissues of one or both testicles. - Testicular cancer is the most common cancer in men aged 15 to 34 years. - Testicular cancer can usually be... |
Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer. To prevent new cancers from starting, scientists look at risk factors and protective fac... | [{"question": "What is (are) Prostate Cancer?", "answer": "Key Points\n - Prostate cancer is a disease in which malignant (cancer) cells form in the tissues of the prostate. - Prostate cancer is the second most common cancer among men in the United States.\n \n \n ... |
The pancreas is a gland about 6 inches long that is shaped like a thin pear lying on its side. The wider end of the pancreas is called the head, the middle section is called the body, and the narrow end is called the tail. The pancreas lies behind the stomach and in front of the spine. EnlargeAnatomy of the pancreas. T... | [{"question": "What is (are) Pancreatic Neuroendocrine Tumors (Islet Cell Tumors)?", "answer": "Key Points\n - Pancreatic neuroendocrine tumors form in hormone-making cells (islet cells) of the pancreas. - Pancreatic NETs may or may not cause signs or symptoms. - There are different kinds of fu... |
Plasma cells develop from B lymphocytes (B cells), a type of white blood cell that is made in the bone marrow. Normally, when bacteria or viruses enter the body, some of the B cells will change into plasma cells. The plasma cells make antibodies to fight bacteria and viruses, to stop infection and disease.EnlargeMultip... | [{"question": "What is (are) Plasma Cell Neoplasms (Including Multiple Myeloma)?", "answer": "Key Points\n - Plasma cell neoplasms are diseases in which the body makes too many plasma cells. - Plasma cell neoplasms can be benign (not cancer) or malignant (cancer). - There are several types of p... |
Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will reduce the burden of cancer and lower the number of deaths caused by cancer. Cancer is not a single disease but a group of related di... | [{"question": "What is (are) Breast Cancer?", "answer": "Key Points\n - Breast cancer is a disease in which malignant (cancer) cells form in the tissues of the breast. - Breast cancer is the second most common type of cancer in American women.\n \n \n ... |
Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer. To prevent new cancers from starting, scientists look at risk factors and protective fac... | [{"question": "What is (are) Endometrial Cancer?", "answer": "Key Points\n - Endometrial cancer is a disease in which malignant (cancer) cells form in the tissues of the endometrium. - Endometrial cancer is the most common invasive cancer of the female reproductive system.\n \n ... |
AIDS is caused by the human immunodeficiency virus (HIV), which attacks and weakens the body's immune system. A weakened immune system is unable to fight infection and disease. People with HIV disease have an increased risk of infection and lymphoma or other types of cancer. A person with HIV and certain types of infec... | [{"question": "What is (are) AIDS-Related Lymphoma?", "answer": "Key Points\n - AIDS-related lymphoma is a disease in which malignant (cancer) cells form in the lymph system of patients who have acquired immunodeficiency syndrome (AIDS). - There are many different types of lymphoma. - Signs of ... |
The brain controls vital functions such as memory and learning, emotion, and the senses (hearing, sight, smell, taste, and touch). The spinal cord is made up of bundles of nerve fibers that connect the brain with nerves in most parts of the body. Ependymomas form from ependymal cells that line the ventricles and passag... | [{"question": "What is (are) Childhood Ependymoma?", "answer": "Key Points\n - Childhood ependymoma is a disease in which malignant (cancer) cells form in the tissues of the brain and spinal cord. - There are different types of ependymomas. - The part of the brain that is affected depends on wh... |
The lungs are a pair of cone-shaped breathing organs that are found in the chest. The lungs bring oxygen into the body when you breathe in and take out carbon dioxide when you breathe out. Each lung has sections called lobes. The left lung has two lobes. The right lung, which is slightly larger, has three. A thin membr... | [{"question": "What is (are) Small Cell Lung Cancer?", "answer": "Key Points\n - Small cell lung cancer is a disease in which malignant (cancer) cells form in the tissues of the lung. - There are two main types of small cell lung cancer. - Smoking is the major risk factor for small cell lung c... |
Ovarian low malignant potential tumors have abnormal cells that may become cancer, but usually do not. This disease usually remains in the ovary. When disease is found in one ovary, the other ovary should also be checked carefully for signs of disease. The ovaries are a pair of organs in the female reproductive system.... | [{"question": "What is (are) Ovarian Low Malignant Potential Tumors?", "answer": "Key Points\n - Ovarian low malignant potential tumor is a disease in which abnormal cells form in the tissue covering the ovary. - Signs and symptoms of ovarian low malignant potential tumor include pain or swelling... |
There are many types of brain and spinal cord tumors. The tumors are formed by the abnormal growth of cells and may begin in different parts of the brain or spinal cord. Together, the brain and spinal cord make up the central nervous system (CNS). The tumors may be either benign (not cancer) or malignant (cancer): When... | [{"question": "What is (are) Adult Central Nervous System Tumors?", "answer": "Key Points\n - An adult central nervous system tumor is a disease in which abnormal cells form in the tissues of the brain and/or spinal cord. - A tumor that starts in another part of the body and spreads to the brain i... |
Chronic lymphocytic leukemia (also called CLL) is a cancer of the blood and bone marrow that usually gets worse slowly. CLL is one of the most common types of leukemia in adults. It often occurs during or after middle age; it rarely occurs in children. Normally, the bone marrow makes blood stem cells (immature cells) t... | [{"question": "What is (are) Chronic Lymphocytic Leukemia?", "answer": "Key Points\n - Chronic lymphocytic leukemia is a type of cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell). - Leukemia may affect red blood cells, white blood cells, and platelets. - Ol... |
The colon is part of the body’s digestive system. The digestive system removes and processes nutrients (vitamins, minerals, carbohydrates, fats, proteins, and water) from foods and helps pass waste material out of the body. The digestive system is made up of the esophagus, stomach, and the small and large intestines. T... | [{"question": "What is (are) Colon Cancer?", "answer": "Key Points\n - Colon cancer is a disease in which malignant (cancer) cells form in the tissues of the colon. - Health history affects the risk of developing colon cancer. - Signs of colon cancer include blood in the stool or a change in bo... |
Neuroblastoma often begins in the nerve tissue of the adrenal glands. There are two adrenal glands, one on top of each kidney in the back of the upper abdomen. The adrenal glands make important hormones that help control heart rate, blood pressure, blood sugar, and the way the body reacts to stress. Neuroblastoma may a... | [{"question": "What is (are) Neuroblastoma?", "answer": "Key Points\n - Neuroblastoma is a disease in which malignant (cancer) cells form in neuroblasts (immature nerve tissue) in the adrenal gland, neck, chest, or spinal cord. - Neuroblastoma is sometimes caused by a gene mutation (change) passed... |
An astrocyte is a type of glial cell. Glial cells hold nerve cells in place, bring food and oxygen to them, and help protect them from disease, such as infection. Gliomas are tumors that form from glial cells. An astrocytoma is a type of glioma. Astrocytoma is the most common type of glioma diagnosed in children. It ca... | [{"question": "What is (are) Childhood Astrocytomas?", "answer": "Key Points\n - Childhood astrocytoma is a disease in which benign (noncancer) or malignant (cancer) cells form in the tissues of the brain. - Astrocytomas may be benign (not cancer) or malignant (cancer). - The central nervous s... |
Non-Hodgkin lymphoma is a type of cancer that forms in the lymph system. The lymph system is part of the immune system. It helps protect the body from infection and disease. The lymph system is made up of the following: Lymph tissue is also found in other parts of the body such as the lining of the digestive tract, bro... | [{"question": "What is (are) Adult Non-Hodgkin Lymphoma?", "answer": "Key Points\n - Adult non-Hodgkin lymphoma is a disease in which malignant (cancer) cells form in the lymph system. - The major types of lymphoma are Hodgkin lymphoma and non-Hodgkin lymphoma. - Non-Hodgkin lymphoma can be ind... |
The page you are looking for cannot be found. If you typed in the URL directly, please verify that you've entered it correctly. Try using the search box below, returning to the home page, or viewing the site map. If the problem continues, please contact us. | [{"question": "What is (are) Autoimmune Hepatitis?", "answer": "Autoimmune hepatitis is a chronicor long lastingdisease in which the body's immune system attacks the normal components, or cells, of the liver and causes inflammation and liver damage. The immune system normally protects people from infection by iden... |
Microscopic colitis is a chronic inflammatory bowel disease (IBD) in which abnormal reactions of the immune system cause inflammation of the inner lining of your colon. Anyone can develop microscopic colitis, but the disease is more common in older adults and in women. The most common symptom of microscopic colitis is ... | [{"question": "What is (are) Microscopic Colitis: Collagenous Colitis and Lymphocytic Colitis?", "answer": "Microscopic colitis is an inflammation of the colon that a health care provider can see only with a microscope. Inflammation is the bodys normal response to injury, irritation, or infection of tissues. Microscopi... |
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