Researchers have found that a simple blood test seems to identify people at high risk of developing colorectal cancer. They discovered that patients with colorectal cancer - or pre-cancerous polyps, showed an unusual genetic change that could easily be detected in their blood.
Colon cancer is one of most deadly cancer but is considered one of the most curable of the serious cancers because its early stages can be detected by colonoscopy. Studies have, however shown that many patients dread and avoid the test, which involves drinking several quarts of a solution to clean the colon, followed by being probed with a medical instrument. A blood test that accurately defines a patient's colon cancer risk could reduce the need for such invasive procedures. This finding has the potential to be an important advance in the detection of colon cancers. It would be very desirable to have a simple way to test patients through their blood to predict their risk of cancer in the colon and in other organs as well.
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