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Modified Union for International Cancer Control Staging System
| Stage | T | N | M |
|---|---|---|---|
| I | T1 (all 3 criteria*) | N0 | M0 |
| II | T2 (2 of 3 criteria*) | N0 | M0 |
| III | T3 (1 of 3 criteria*) | N0 | M0 |
| IVA | T4 (none of 3 criteria*) | N0 | M0 |
| T1-4 | N1 | M0 | |
| IVB | T1-4 | N0, N1 | M1 |
Criteria: (1) Number of tumors: solitary; (2) Diameter of the largest tumor: ≤ 2 cm; (3) No vascular or bile duct invasion: Vp0, Vv0, B0. Adapted from 10.
