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62-year-old woman is getting her yearly physical. Her doctor prescribes a take-home test to look for potential colon cancer. Fecal occult blood is the name of the procedure.

Why does the feces contain occult blood?

Stool samples are examined in a lab using a procedure known as the fecal occult blood test (FOBT) to look for undetected blood (occult blood). Occult blood in the stool may be a sign of colon cancer or polyps in the colon or rectum even though not all tumors or polyps bleed.

What indicators of occult blood might there be?

A decrease in red blood cells (anemia), a change in stool color to black-tarry or even maroon, and occasionally low blood pressure are all OGIB signs. OGIB sufferers may need numerous hospital stays.

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