Definitions for "Radiation proctitis"
inflammation of the rectal mucosa lining due to the ionizing effects of radiation therapy
a possible side effect of external beam radiation therapy. Problems can include pain, bowel frequency, bowel urgency, bleeding, chronic burning, or rectal leakage.
Damage which can occur after pelvic radiation. Symptoms may include bleeding, mucous and bloody discharge, spasm of the rectal wall, urgency, and incontinence due to radiation-induced damage to the rectum. Late symptoms result from scarring of the rectal and anal muscles with loss of some of the small blood vessels. The rectum becomes stiff and noncompliant (nonstretchable) and abnormal blood vessels may develop.