TES RCT Fleet Enema vs Oral Mechanical Bowel Prep

This study is comparing two ways to prepare the bowel before transanal endoscopic surgery (a minimally invasive rectal surgery): a standard enema versus oral bowel prep (drinking a laxative solution). Researchers want to find out which approach is more effective and easier for patients. **You may be eligible if...** - You are scheduled for transanal endoscopic surgery at the QEII Health Sciences Centre in Halifax by a colorectal surgeon in the study - You are under 75 years old **You may NOT be eligible if...** - You have chronic constipation that is difficult to control - You have had prior pelvic radiation therapy - You have inflammatory bowel disease - This is a repeat surgery for the same lesion - You have congestive heart failure or take daily loop diuretics (like furosemide/Lasix) - You take chronic steroids - You are unable to self-administer an enema or tolerate either bowel prep for medical reasons - Your transanal surgery is combined with another surgical procedure Talk to your doctor to see if this trial is right for you.