Source:http://linkedlifedata.com/resource/umls/id/C1333111
NCI: A non-neoplastic inflammatory polypoid lesion in the colon and rectum.,NCI: A non-neoplastic polypoid lesion in the colon and rectum. It may arise in a background of inflammatory bowel disease or colitis. It is characterized by the presence of a distorted epithelium, inflammation, and fibrosis.