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Tiny Cameras to See in the Intestines

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Swallowable PillCam

The swallowable PillCam contains one or two miniature cameras, depending on its use. Doctors employ it to look for signs of intestinal bleeding, Crohns disease and, less often, colon cancer.

Credit: Medtronic

The digestive tract can be inhospitable terrain to examine.

From The Wall Street Journal
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