Home > Medical > Digestive health > Tests and procedures Tests and procedures All sections in Digestive Health » About Gastro » Anal & Rectal Disorders » Digestive Disorders » Common Symptoms » Dehydration » Digestive Health » Gastro & Food Illness » IBS » News » Tests & Procedures Large bowel resection Large bowel resection, also known as colectomy, is surgery to remove part of the large bowel. Colostomy Colostomy is a surgical procedure that brings the end of the large intestine through the abdominal wall. Lower GI Series A lower gastrointestinal (GI) series uses x-rays to diagnose problems in the large intestine, which includes the colon and rectum. Test Calcium calculator » Test Is my heartburn serious? » Follow Health24 on Pinterest » Ask CyberDoc » This ad is causing a big stink The scoop on poop Upper GI Series The upper gastrointestinal (GI) series uses x-rays to diagnose problems in the oesophagus, stomach, and duodenum (first part of the small intestine). Barium enema The aim of this investigation is to visualise the large bowel or colon with the use of X-rays and a contrast medium called barium sulphate. Flexible sigmoidoscopy Flexible sigmoidoscopy enables the physician to look at the inside of the large intestine from the rectum through the last part of the colon. Upper Endoscopy Upper endoscopy enables the physician to look inside the oesophagus, stomach, and duodenum (first part of the small intestine). Colonoscopy A colonoscopy is a procedure whereby the large bowel (colon) is examined. Pros, cons of weight-loss surgery You and your doctor have agreed: surgery could be the answer to your weight-loss problems. But what are the disadvantages – and the possible risks – of bariatric surgery? load more articles advertisement From our sponsors Your retirement - a healthy mindset So many people, why so alone? You can still enjoy the sweet things in life Take the sugar test, it could save your life.