NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,188 terms related to cancer and medicine.
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- barium enema
- listen (BAYR-ee-um EH-neh-muh)
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.