label: Stage IIIB Hilar Cholangiocarcinoma AJCC v8
label_lc: stage iiib hilar cholangiocarcinoma ajcc v8
description: "Stage IIIB includes: T4, N0, M0. T4: Tumor invading the main portal vein or its branches bilaterally, or the common hepatic artery; or unilateral second-order biliary radicals with contralateral portal vein or hepatic artery involvement. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.)"