Ampulla of Vater Cancer Clinical TNM Finding v7

**Semantic type:** Finding

**Definition:** A clinical finding about one or more characteristics of ampulla of Vater cancer, following the rules of the TNM AJCC v7 classification system. Endoscopic ultrasonography and computed tomography are effective in preoperative staging and in evaluating resectability of ampullary carcinomas. (from AJCC 7th Ed.)