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skos:definition |
NCI: A procedure in which a liquid that contains barium sulfate is put through the anus into the rectum and colon. Barium sulfate is a silver-white metallic compound that helps show pictures of the colon, rectum, and anus on an x-ray.,NCI: Injection of a barium-containing contrast medium through the anus and into the lower gastrointestinal tract so that X-rays can be taken in order to identify lesions and other abnormal growths.
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