Re: Colonoscopy reaches entire colon

Yes, colonoscopy reaches almost entire colon.
But no need to to be worried because it is one of the simplest procedure. A long thin pipe containing video camera is placed into colon and small intestine through anus, even sometimes anesthesia medicine is not used during the procedure so patient may awake during the time. The process is little bit uncomfortable so you need to choose best colonoscopy doctor wisely.

Don't worry for coloscopy.