SOVEREIGN, ISM / SCIENCE PHOTO LIBRARY SOVEREIGN, ISM / SCIENCE PHOTO LIBRARY
Coloured barium enema X-ray (double contrast) of the abdomen in front view of a 60 year old man, showing colitis of the large intestine. This narrowed section (stricture, at top) can result from a painful inflammation of the lining of the colon, for example in ulcerative colitis.
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