| A biopsy may also be conducted in which abnormal tissue is removed by using the colonoscope and then examined under a microscope for signs of cancer. |
| If an abnormality is detected, the doctor can remove it or take tissue samples using instruments passed through the colonoscope. |
| Resting comfortably on one side, most people feel only a little discomfort as the colonoscope is carefully inserted into the back passage. |
| A biopsy would involve removing a small piece of tissue through the colonoscope, which would then be sent to a laboratory to test for cancer. |
| Surprisingly, those who had the colonoscope in longer on average remembered less total pain. |
| For early-stage colon cancer, a colonoscope may be used to remove the cancerous tissue. |
