Stage II Hilar Cholangiocarcinoma AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage II includes: T2a-b, N0, M0. T2a: Tumor invades beyond the wall of the bile duct to surrounding adipose tissue. T2b: Tumor invades adjacent hepatic parenchyma. N0: No regional lymph node metastasis. M0: No distant metastasis. (from AJCC 7th Ed.)

**Synonyms:** - Stage II Hilar Cholangiocarcinoma - Stage II Hilar Cholangiocarcinoma