Stage IIIB Intrahepatic Cholangiocarcinoma AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage IIIB includes: (T4, N0, M0); (Any T, N1, M0). T4: Tumor involving local extrahepatic structures by direct invasion. N0: No regional lymph node metastasis. N1: Regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.)

**Synonyms:** - IIIB - Stage IIIB Intrahepatic Bile Duct Cancer (Cholangiocarcinoma)