Stage | T | N | M |
---|
I | T1 | N0 | M0 |
II | T2 | N0 | M0 |
IIIa | T3a | N0 | M0 |
IIIb | T3b | N0 | M0 |
IIIc | T4 | N0 | M0 |
IVa | Any T | N1 | M0 |
IVb | Any T | Any N | M1 |
- T1: single tumor without vascular invasion
- T2: single tumor with vascular invasion or multiple tumors, none > 5 cm
- T3a: multiple tumors > 5 cm
- T3b: tumor involving a major branch of the portal or hepatic vein
- T4: tumor with direct invasion of adjacent organs other than gallbladder or with perforation of visceral peritoneum
- N0: no regional lymph node metastasis
- N1: regionallymph node metastasis
- M0: no distant metastasis
- M1: distant metastasis