label: Stage IIIB Gallbladder Cancer AJCC v7
label_lc: stage iiib gallbladder cancer ajcc v7
description: "Stage IIIB includes: T1-3, N1, M0. T1: Tumor invades lamina propria or muscular layer.  T2: Tumor invades perimuscular connective tissue; no extension beyond serosa or into liver. T3: Tumor perforates the serosa (visceral peritoneum) and/or directly invades the liver and/or one other adjacent organ or structure, such as the stomach, duodenum, colon, pancreas, omentum, or extrahepatic bile ducts.  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.)"