Presents therapeutic applications of the endoscope for gastrointestinal disorders. The authors are among the world's leading practioners of the techniques described, from laser treatment to polypectomy to sphincterotomy. Clear, full-color schematics and endoscopic views take the reader step-by-step through gastrointestinal bleeding, esophageal variceal sclerotherapy, esophageal and other GI cancers, percutaneous endoscopic gastrostomy, and more.