A colonoscopy is an examination of the inside lining of the large bowel. Any abnormalities will be visualised on the monitor screen. Small polyps are usually removed at the same time, or biopsies of large polyps, tumours or inflammation will be taken for further evaluation. It is recommended to undergo colonoscopy at age of 50, or if you have symptoms like bleeding from the back passage, persistent abdominal pain, change in bowel habits, unusual diarrhoea, etc.
Full article will be available in 2017