What Is a Colonoscopy? Why Colon Cancer Screening Matters
Colon cancer is one of the most common cancers. But it is also one of the most preventable.
Screening can help doctors find problems early before cancer starts or spreads.
One common screening test is called a colonoscopy.
This test lets doctors check the colon for growths that can turn into cancer. Finding and removing these growths can help keep you healthy.
What Is a Colonoscopy?
A colonoscopy lets a doctor look inside your colon. The doctor uses a small camera on a flexible tube to check for
- Polyps (small growths)
- Irritation or swelling
- Signs of cancer
Some polyps can turn into cancer over time. Doctors can remove them during the test to help prevent colon cancer.
Who Should Get Colon Cancer Screening
Most people should begin screening around age 45. Your doctor may ask you to get screened before 45 if you:
- Have a family history of colon cancer.
- Have certain digestive conditions.
- Have had colon polyps before.
Talk to your doctor to decide what when you should get screened.
What to Expect During a Colonoscopy
Many people can feel nervous about the test. But screening is common and safe. During a colonoscopy:
- You receive medicine to help you relax.
- Most people feel little or no pain.
- The test usually takes less than 1 hour.
Your doctor will tell you what you need to do before getting tested.
Signs to Talk With Your Doctor About
Some symptoms should be checked by a doctor. Talk with your doctor if you have:
- Blood in your stool
- Stomach pain that will not go away
- Unexplained weight loss
- Changes in bowel habits
These symptoms do not always mean cancer. But you should still talk to your doctor if experience any of these symptoms.
Screening Saves Lives
Colon cancer often develops slowly. Screening helps doctors find problems early. Early treatment can lead to better health outcomes.
If you are age 45 or older, talk with your doctor about screening.
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