Source:http://linkedlifedata.com/resource/umls/id/C0037075
MSH: Endoscopic examination, therapy or surgery of the sigmoid flexure.,NCI: Examination of the lower colon using a sigmoidoscope, inserted into the rectum. A sigmoidoscope 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.,NCI: Endoscopic examination of the luminal surface of the sigmoid colon.