Patient Instructions

Colon cancer awareness

Colon cancer awareness: an illustrated chart of screening ages, test options, symptoms, what to do if a polyp was found and ways to lower your risk. The same information is in the text version below.
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Colon cancer often starts as a polyp. Screening can find polyps so they can be removed before they turn into cancer.

How a polyp can become cancer

  • Most polyps are not cancer, but some may turn into cancer over time.
  • Removing polyps during a colonoscopy helps prevent colon cancer.

When to get screened

  • Start at age 45.
  • Keep screening through age 75.
  • Ages 76 to 85: ask your doctor.
  • You may need to start earlier if you have a family history, past polyps, IBD or a genetic syndrome.
  • If a parent, brother, sister or child had colon cancer or an advanced polyp before age 60: colonoscopy at 40, or 10 years before their diagnosis, whichever is earlier, then every 5 years.

Your test options

  • Colonoscopy: every 10 years
  • FIT stool test: every year
  • Stool DNA-FIT test: every 1 to 3 years
  • CT colonography: every 5 years
  • Any abnormal test needs a follow-up colonoscopy.

Talk to your doctor about these symptoms

  • A change in bowel habits
  • Blood in or on your stool
  • Diarrhea, constipation, or feeling that your bowel does not empty all the way
  • Abdominal pain, aches or cramps that do not go away
  • Weight loss you cannot explain
  • Low iron levels (anemia)
  • Polyps and colon cancer can cause no symptoms. That is why screening matters.

If a polyp was found: what to do

  • Ask how many polyps were removed, their size and their type.
  • Get your biopsy results. They usually take 5 to 7 days.
  • Follow your discharge instructions, including those on aspirin and blood thinners.
  • Ask when your next colonoscopy is due, and put it on your calendar.
  • Tell your parents, brothers, sisters and children. They may need to start screening sooner.

Typical time to your next colonoscopy

No polyps10 years
1 or 2 small adenomas7 to 10 years
3 or 4 small adenomas3 to 5 years
5 to 10 small adenomas3 years
A large or advanced adenoma3 years
More than 10 adenomas1 year

An adenoma is a polyp that can turn into cancer. Small means under 10 mm. These are typical times for adults at average risk. Your doctor sets your date.

Ways to lower your risk

  • Keep a healthy weight
  • Stay active
  • Eat vegetables, fruit and whole grains
  • Limit red and processed meat
  • Avoid alcohol or drink in moderation
  • Do not smoke

General information for adults, not personal medical advice. Follow the plan your own care team gave you.

Questions or ready to schedule? Call (718) 615-0400. Medical emergency? Call 911.

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