NCIt definition : An adenoma arising from the glandular epithelium of the gastrointestinal tract. It
is characterized by the presence of a tubular architectural pattern. Most often it
occurs in the large intestine, small intestine, and the stomach. The neoplastic epithelial
cells show dysplastic features.;
Alternative definition : CDISC: A benign neoplasm arising from glandular epithelium, characterized by a tubular
architectural pattern.;