|Lower GI (gastrointestinal) Series Procedure|
A lower GI series is a diagnostic procedure in which x-ray images of the colon and rectum are made. It involves having a liquid called barium put into the colon, which will cause the organs to appear on x-ray. It is a lower GI series is often helpful in identifying abnormal growths, ulcers, polyps, and diverticula. Also called barium enema ordouble contrast barium enema.