,COLONOSCOPY: , The patient was then turned and a colonic 140-series colonoscope was passed under direct visualization through the anal verge and advanced to the cecum as identified by the appendiceal orifice. 
,COLONOSCOPY : , The patient was then turned and a colonic 140 - series colonoscope was passed under direct visualization through the anal verge and advanced to the cecum as identified by the appendiceal orifice .