label: Stage I Distal Bile Duct Cancer AJCC v8
label_lc: stage i distal bile duct cancer ajcc v8
description: Stage I includes: T1, N0, M0. T1: Tumor invading the bile duct wall with a depth less than 5 mm. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.)