Primary tumor (T) | |||
T category | T criteria | ||
TX | Primary tumor cannot be assessed | ||
T0 | No evidence of primary tumor | ||
Tis | Carcinoma in situ (intraductal tumor) | ||
T1 | Solitary tumor without vascular invasion, ≤5 cm or >5 cm | ||
T1a | Solitary tumor ≤5 cm without vascular invasion | ||
T1b | Solitary tumor >5 cm without vascular invasion | ||
T2 | Solitary tumor with intrahepatic vascular invasion or multiple tumors, with or without vascular invasion | ||
T3 | Tumor perforating the visceral peritoneum | ||
T4 | Tumor involving local extrahepatic structures by direct invasion | ||
Regional lymph nodes (N) | |||
N category | N criteria | ||
NX | Regional lymph nodes cannot be assessed | ||
N0 | No regional lymph node metastasis | ||
N1 | Regional lymph node metastasis present | ||
Distant metastasis (M) | |||
M category | M criteria | ||
M0 | No distant metastasis | ||
M1 | Distant metastasis present | ||
Prognostic stage groups | |||
When T is... | And N is... | And M is... | Then the stage group is... |
Tis | N0 | M0 | 0 |
T1a | N0 | M0 | IA |
T1b | N0 | M0 | IB |
T2 | N0 | M0 | II |
T3 | N0 | M0 | IIIA |
T4 | N0 | M0 | IIIB |
Any T | N1 | M0 | IIIB |
Any T | Any N | M1 | IV |
آیا می خواهید مدیلیب را به صفحه اصلی خود اضافه کنید؟