Stage IVA Gallbladder Cancer AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** 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.)

**Synonyms:** - Gallbladder Cancer Stage IVA AJCC v7 - Gallbladder Carcinoma Stage IVA AJCC v7 - Stage IVA Carcinoma of Gallbladder AJCC v7 - Stage IVA Carcinoma of the Gallbladder AJCC v7 - Stage IVA Gallbladder Cancer - Stage IVA Gallbladder Carcinoma AJCC v7