Harvard Men's Health Watch

Colon cancer testing: What's in it for you?

Screening exams can prevent colorectal cancer, although the number of lives this ultimately saves is less clear. Colonoscopy is considered the most thorough exam for finding precancerous growths on the colon wall, although sigmoidoscopy and stool testing are also effective if performed often enough. Despite uncertainties, colorectal cancer screening is one of the most effective preventive health measures.
To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »