Update app.py

updated app.py

app.py

@@ -52,7 +52,7 @@ def my_custom_tool(arg1: str, arg2: int) -> str:
         
             # Common Specific Diseases
             "breast cancer", "prostate cancer", "lung cancer", "skin cancer", "colon cancer", 
-            "brain tumor", "liver cancer", "cervical cancer", "bladder cancer", "thyroid cancer","cancer",
+            "brain tumor", "liver cancer", "cervical cancer", "bladder cancer", "thyroid cancer",
         
             # Procedures / Interventions
             "surgery", "chemotherapy", "radiation", "transplant", "dialysis", "intubation", "stenting",