The U.S. National Cancer Institute does not currently endorse any
foreign translations of PDQ® and no such endorsement should be inferred
for the following translation.
colonoscopy
Examination of the inside of the colon using a colonoscope, inserted into the rectum. A colonoscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue to be checked under a microscope for signs of disease.
Colonoscopy. A thin, lighted tube is inserted through the anus and rectum and into the colon to look for abnormal areas.