Duodenal and Ampulla of Vater Neuroendocrine Tumor pT2 TNM Finding v8

**Semantic type:** Finding

**Definition:** Duodenum neuroendocrine tumor invading the muscularis propria or measuring more than 1 cm; Ampulla of Vater neuroendocrine tumor invading through the sphincter of Oddi into duodenal submucosa or muscularis propria, or measuring more than 1 cm. (from AJCC 8th Ed.)

**Synonyms:** - Duodenum and Ampulla of Vater Neuroendocrine Tumor pT2 TNM Finding v8