Ampulla of Vater Neuroendocrine Tumor G1NCIt concept
Preferred Label : Ampulla of Vater Neuroendocrine Tumor G1;
NCIt synonyms : Ampulla of Vater NET G1; Neuroendocrine Tumor G1 of the Ampullary Region;
NCIt definition : A well differentiated, low grade neoplasm with neuroendocrine differentiation that
arises from the ampulla of Vater and the periampullary region. The mitotic count is
less than 2 per 10 HPF.;