Alternative definition : NCI-GLOSS: A condition in which the gastrointestinal tract is inflamed over a long
period of time. Regional enteritis usually affects the small intestine and colon.
Symptoms include fever, diarrhea, stomach cramps, vomiting, and weight loss. Regional
enteritis increases the risk of colorectal cancer and small intestine cancer. It is
a type of inflammatory bowel disease (IBD).;