Lowering the positivity threshold for a high-quality fecal immunochemical test (FIT) can increase sensitivity of noninvasive screening for colorectal cancer in a more economical way. FITs are ...

FIT (Faecal Immunochemical Test) is a test that looks for blood in a sample of your poo. It looks for tiny traces of blood that you might not be able to see, and which could be a sign of cancer.