Posted AT 10:33 AM EDT on 25/07/08
A less messy way to test for colorectal cancer
Searching for the presence of colorectal cancer can be a messy business. It normally starts with a fecal occult blood test (FOBT). The patient collects some stool samples that are sent to a lab for analysis. If blood is found in the feces, a doctor usually recommends the patient have a colonoscopy, in which a flexible tube with a camera is inserted up the rectum for a closer inspection.
Few patients are fond of either procedure.
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