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.
 
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