label: Stage IVA Gallbladder Cancer AJCC v7
label_lc: stage iva gallbladder cancer ajcc v7
description: "Stage IVA includes: T4, N0-1, M0. T4: Tumor invades the main portal vein or hepatic artery, or invades two or more extrahepatic organs or structures.  N0: No regional lymph node metastasis.  N1: Metastases to nodes along the cystic duct, common bile duct, hepatic artery, and/or portal vein. M0: No distant metastasis.  (from AJCC 7th Ed.)"