Duodenal and Ampulla of Vater Neuroendocrine Tumor pN1 TNM Finding v8

**Semantic type:** Finding

**Definition:** Duodenum and ampulla of Vater neuroendocrine tumor with regional lymph node involvement. (from AJCC 8th Ed.)

**Synonyms:** - Duodenum and Ampulla of Vater Neuroendocrine Tumor pN1 TNM Finding v8