label: Stage IVA Gallbladder Cancer AJCC v8
label_lc: stage iva gallbladder cancer ajcc v8
description: "Stage IVA includes: T4, N0-1, M0. T4: Tumor invading the main portal vein or hepatic artery or invading two or more extrahepatic organs or structures. N0: No regional lymph node metastasis. N1: Metastases to one to three regional lymph nodes. M0: No distant metastasis. (AJCC 8th ed.)"