2:08

Blood test that detects colon cancer close to receiving FDA approval

Doctors and scientists say the Guardant Shield blood test could help identify more cases of colorectal cancer because people are more likely to take a blood test than undergo a colonoscopy.

6:17

March is National Colon Cancer Awareness Month. 7 signs and symptoms of colorectal cancer.

Often colorectal cancer doesn’t cause symptoms until it has grown or spread. That’s why doctors say it is best to be tested for it before ever having any symptoms.