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Novel proposed T-stage classification system for resectable distal cholangiocarcinoma
| T-stage | Description |
|---|---|
| T1 | Tumor size <3 cm and LVI negative |
| T2 | Tumor size <3 cm and LVI positive or tumor size ≥3 cm and LVI negative |
| T3 | Tumor size ≥3 cm and LVI positive |
LVI, lymphovascular invasion.
