Duodenal and Ampulla of Vater Neuroendocrine Tumor pM1a TNM Finding v9

**Semantic type:** Finding

**Definition:** Duodenum or ampulla of Vater neuroendocrine tumor with microscopic confirmation of metastasis confined to liver. (from AJCC 9th Ed.)

**Synonyms:** - Duodenum and Ampulla of Vater Neuroendocrine Tumor pM1a TNM Finding v9