disease arises from structure disease arises from alteration in structure adenocarcinoma intestinal type adenocarcinoma NCIT:C4126 EFO:1000304 UMLS:C0334279 MONDO:0006254 intestinal type carcinoma An adenocarcinoma arising from epithelium which has undergone intestinal metaplasia. Representative examples include gastric, gallbladder, and ampulla of Vater intestinal type adenocarcinomas. intestinal-type adenocarcinoma ICDO:8144/3 MEDGEN:87206 intestinal epithelium