Stage II Hilar Cholangiocarcinoma AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage II includes: T2a-b, N0, M0. T2a: Tumor invading beyond the wall of the bile duct to surrounding adipose tissue. T2b: Tumor invading adjacent hepatic parenchyma. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.)

**Synonyms:** - II - Stage II Hilar Cholangiocarcinoma - Stage II Perihilar Cholangiocarcinoma AJCC v8