Colorectal cancer screen

A test that looks for signs of colorectal cancer. "Colorectal" refers to the large intestine, which includes the colon and rectum. Everyone should have this screening beginning at age 50.

How often depends on the type of screening. Patients who have a colonoscopy (COLO) need another one every 10 years; sigmoidoscopy (SIG) or Double Contrast Barium Enema (DCBE), every 5 years; or Fecal Occult Blood screening (FOB), every year.