diff --git a/README.md b/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..198c08505125da1cd241a7a7761d2c7190ac1b7b
--- /dev/null
+++ b/README.md
@@ -0,0 +1,66 @@
+---
+license: cc-by-nc-4.0
+task_categories:
+- image-segmentation
+tags:
+- medical-imaging
+- ct-scan
+- lung
+- registration
+size_categories:
+- 1K<n<10K
+---
+
+# NeuroScan AI - Medical Imaging Dataset
+
+This dataset contains sample medical imaging data for the NeuroScan AI platform.
+
+## Dataset Description
+
+### Learn2Reg Lung CT
+- **Source**: [Learn2Reg Challenge](https://zenodo.org/record/3835682)
+- **Description**: Paired inspiration and expiration lung CT scans
+- **Format**: NIfTI (.nii.gz)
+- **Cases**: 20 pairs
+- **License**: CC BY-NC 4.0
+
+## Usage
+
+```python
+# Download using huggingface_hub
+from huggingface_hub import snapshot_download
+
+snapshot_download(
+    repo_id="ydchen0806/neuroscan-ai-dataset",
+    repo_type="dataset",
+    local_dir="./data"
+)
+```
+
+## Data Structure
+
+```
+data/
+├── raw/
+│   ├── training/
+│   │   ├── scans/
+│   │   │   ├── case_001_insp.nii.gz
+│   │   │   ├── case_001_exp.nii.gz
+│   │   │   └── ...
+│   │   └── lungMasks/
+│   │       └── ...
+│   └── Learn2Reg_training.zip
+└── processed/
+    └── real_lung_001/
+        ├── baseline.nii.gz
+        ├── followup.nii.gz
+        └── ...
+```
+
+## License
+
+CC BY-NC 4.0 (Non-commercial use only)
+
+## Citation
+
+Please cite the original Learn2Reg challenge if you use this data.
diff --git a/processed/E2E_SINGLE_001/c701a085-4ea2-4def-8df8-e5c39cb1fe78.nii.gz b/processed/E2E_SINGLE_001/c701a085-4ea2-4def-8df8-e5c39cb1fe78.nii.gz
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+{
+  "dataset": "Learn2Reg Lung CT",
+  "source": "Zenodo",
+  "license": "CC BY-NC 4.0",
+  "download_date": "2026-01-28T13:58:10.070439",
+  "configured_pairs": 20,
+  "description": "同一患者的吸气末和呼气末 CT 扫描"
+}
\ No newline at end of file
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