Stage II Ampulla of Vater Cancer AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage II includes: IIA: T3a, N0, M0; IIB: T3b, N0, M0. T3a: Tumor directly invading the pancreas (up to 0.5 cm). T3b: Tumor extending more than 0.5 cm into the pancreas, or extending into peripancreatic tissue or duodenal serosa without involvement of the celiac axis or superior mesenteric artery. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.)

**Synonyms:** - Stage II Ampulla of Vater Cancer - Stage II Ampulla of Vater Carcinoma AJCC v8