Ampulla of Vater Neuroendocrine NeoplasmNCIt concept
Preferred Label : Ampulla of Vater Neuroendocrine Neoplasm;
NCIt synonyms : Neuroendocrine Neoplasm of the Ampullary Region;
NCIt definition : A neoplasm with neuroendocrine differentiation that arises from the ampulla of Vater
and periampullary region. It includes neuroendocrine tumors (well-differentiated neuroendocrine
neoplasms) and neuroendocrine carcinomas (poorly differentiated neuroendocrine neoplasms).;