NCIt related terms : GIST, Malignant; Gastrointestinal stromal tumor, malignant;
NCIt definition : A gastrointestinal stromal tumor that is characterized by large size (diameter greater
than 10 cm for gastric localization and greater than 5 cm for intestinal localization)
or more than 5 mitotic figures per 50 high power fields.;
Alternative definition : CDISC: A malignant neoplasm arising from specialized smooth muscle cells (i.e., interstitial
cells of Cajal) in the tunica muscularis or myenteric plexus. (INHAND);