FC has nothing to do with testing for colon cancer, it is used to test for possible inflammation in the GI tract and try to ascertain whether the patient is encountering possible IBS / IBD / inflammation from bacteria, virus , diet etc . The most accurate stool test for colon cancer is the quantitative fecal immunochemical test for hemoglobin (FIT) which tests if you have blood in your stool in trace amounts. The most accurate tests for cancer are the endoscopy/colonoscopy procedures.
