Harvard Men's Health Watch

They found colon polyps: Now what?

Follow-up exams at the right time are essential to prevent cancer from developing.

Colorectal cancer is one of the most preventable forms of cancer—if you are screened for hidden warning signs while you are still healthy. Screening finds precancerous growths on the colon wall, called polyps, which the doctor can then remove.

"They are not cancer, and most of them have not started to change into cancer," says Dr. John Saltzman, associate professor at Harvard Medical School and director of endoscopy at Brigham and Women's Hospital in Boston. "If you get them at the precancerous phase, they don't have a chance to grow and turn into cancer."

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