Your doctor can use the colonoscope to get a clear, magnified view of the inside of your colon.
Colonoscopy is the most direct and complete way to see the entire lining of the colon.
If you are between 50 and 80 years old, you should have a colonoscopy every 5 years. It can also allow your doctor to detect cancerous growths early, when the cancer is easier to cure. Diagnosis of illness. If you have symptoms of illness that your doctor has not been able to explain, you may have this procedure to try to find the cause of your symptoms. For example, you may be having unexplained abdominal pain or your blood test results may be abnormal.