But usually, the only polyps that are not removed are very small, definitely benign polyps in the lower part of the bowel or the rectum. Areas of concern within the colon will be marked with a tattoo ...

The present study comprised 342 patients who underwent upper gastroduodenal endoscopy at the Department of Internal Medicine, Toyama Rosai Hospital, Uozu, Japan, from December 1995 to March 2001 ...