Stage III Adult Liver Cancer AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** For hepatocellular carcinoma: Stage III includes: IIIA: (T3a, N0, M0); IIIB: (T3b, N0, M0); IIIC: (T4, N0, M0). T3a: Multiple tumors more than 5 cm. T3b: Single tumor or multiple tumors of any size involving a major branch of the portal vein or hepatic vein. T4: Tumors(s) with direct invasion of adjacent organs other than the gallbladder or with perforation of visceral peritoneum. N0: No regional lymph node metastasis. M0: No distant metastasis. For intrahepatic cholangiocarcinoma: Stage III includes: T3, N0, M0. T3: Tumor perforating the visceral peritoneum or involving the local extra hepatic structures by direct invasion. N0: No regional lymph node metastasis. M0: No distant metastasis. (from AJCC 7th Ed.)

**Synonyms:** - Stage III Liver Cancer