label: Stage II Hilar Cholangiocarcinoma AJCC v7
label_lc: stage ii hilar cholangiocarcinoma ajcc v7
description: "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.)"