The normal gastrointestinal tract; esophagus I - diverticula, hiatal hernias, webs, rings, reflux, and Barrett's metaplasia; esophagus II - neoplasms, infections and involvement in graft-versus-host disease; esophagus III - motor dysfunction, vascular abnormalities and trauma; stomach I - gastric ulcers, anatomic and vascular abnormalities and postoperative evaluation; stomach II - tumours and polyps; stomach III - gastritis and upper gastrointestinal bleeding; small bowel; endoscopic retrograde cholangiopancreatography and sphincterotomy; colon I - polyps and tumours; colon II - inflammatory and infectious disorders; colon III - diverticular disease, vascular malformations and other colonic abnormalities.
