C90085Level 9

Duodenum/Ampulla/Jejunum/Ileum Neuroendocrine Tumor pT1 TNM Finding v7

**Semantic type:** Finding

**Definition:** Duodenum/ampulla/jejunum/ileum neuroendocrine tumor invading lamina propria or submucosa and is 1 cm or less in size (small intestinal tumors); for ampullary tumors: tumor 1 cm or less. (from AJCC 7th Ed.)

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