Preinvasive Neoplasm of the Ampullary Region - CISMeF
Preinvasive Neoplasm of the Ampullary RegionNCIt concept
Preferred Label : Preinvasive Neoplasm of the Ampullary Region;
NCIt definition : A premalignant neoplastic and dysplastic lesion that arises from the ampulla of Vater.
It is characterized by the absence of invasion. This category includes intestinal-type
adenomas, noninvasive papillary neoplasms of pancreatobiliary type, and flat intraepithelial
neoplasia.;