NCIt definition : Inflammation of the small intestine caused by radiation exposure.;
Alternative definition : NCI-GLOSS: Inflammation of the small intestine caused by radiation therapy to the
abdomen, pelvis, or rectum. Symptoms include nausea, vomiting, abdominal pain and
cramping, frequent bowel movements, watery or bloody diarrhea, fatty stools, and weight
loss. Some of these symptoms may continue for a long time.;