Screening for colorectal cancer is a series of easily performed tests used to find polyps or early cancers of the colon and rectum. Most colorectal cancers begin as benign tumors called polyps.
Most polyps cause no symptoms and take five to seven years to change to cancer.
If polyps are found early, they usually can be removed by an out-patient procedure that does not involve surgery. Medical research tells us that most colorectal cancers can be prevented if polyps are found and removed. We use the recommendations of the American Cancer Society. A stool for invisible blood every year after age fifty. These guidelines only apply to people who have no symptoms.