Colon Cancer; Stages, Symptoms, Causes, Screening & Colon Cancer Treatment

Can a blood test detect colon cancer?

Can a blood test detect colon cancer?
Can a blood test detect colon cancer?

Blood tests are usually performed to confirm the initial suspicion of colorectal cancer, and before it is diagnosed. There are tumor markers we can use to detect colon cancer tumors, but it is not a diagnostic method by itself, and it is not the right way to perform screening for colon cancer.