Blood-based DNA test (liquid biopsy). A blood test for an altered gene called SEPT9 is FDA approved to be used to screen adults 50 years or older at average risk for colorectal cancer who have been offered and have a history of not completing colorectal cancer screening.
Cancer screening is testing done on people who are at risk of getting but who have no symptoms and generally feel fine. Your age and family history help your doctor or nurse practitioner figure out when you should get screened for colorectal cancer and what screening test is best for you.
Screening for Colorectal Cancer. The fecal immunochemical test (FIT) is a screening test for people at average risk of getting colorectal cancer. FIT is now used instead of the guaiac fecal occult blood test (gFOBT), which used to be Ontario’s colorectal cancer screening test.
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