The role of endoscopy in the bariatric surgery patient John A. Evans, MD, V. Raman Muthusamy, MD, Ruben D. Acosta, MD, David H. Bruining, MD, Vinay Chandrasekhara, MD, Krishnavel V. Chathadi, MD, Mohamad A. Eloubeidi, MD, Robert D. Fanelli, MD, Ashley L. Faulx, MD, Lisa Fonkalsrud, BSN, RN, Mouen A. Khashab, MD, Jenifer R. Lightdale, MD, MPH, Shabana F. Pasha, MD, John R. Saltzman, MD, Aasma Shaukat, MD, MPH, Amy Wang, MD, Dimitrios Stefanidis, MD, William S. Richardson, MD, Shanu N. Kothari, MD, Brooks D. Cash, MD  Gastrointestinal Endoscopy  Volume 81, Issue 5, Pages 1063-1072 (May 2015) DOI: 10.1016/j.gie.2014.09.044 Copyright © 2015 American Society for Gastrointestinal Endoscopy, the American Society of Metabolic and Bariatric Surgery, and the Society of American Gastrointestinal and Endoscopic Surgeons Terms and Conditions

Figure 1 Illustrations of various weight loss operations. A, Vertical banded gastroplasty. B, Laparoscopic adjustable gastric band. C, Roux-en-Y gastrojejunal bypass (courtesy Ethicon Endo-Surgery, Inc). Gastrointestinal Endoscopy 2015 81, 1063-1072DOI: (10.1016/j.gie.2014.09.044) Copyright © 2015 American Society for Gastrointestinal Endoscopy, the American Society of Metabolic and Bariatric Surgery, and the Society of American Gastrointestinal and Endoscopic Surgeons Terms and Conditions

Figure 2 Illustration of sleeve gastrectomy (courtesy of Ethicon Endo-Surgery, Inc). Gastrointestinal Endoscopy 2015 81, 1063-1072DOI: (10.1016/j.gie.2014.09.044) Copyright © 2015 American Society for Gastrointestinal Endoscopy, the American Society of Metabolic and Bariatric Surgery, and the Society of American Gastrointestinal and Endoscopic Surgeons Terms and Conditions

Figure 3 Illustration of duodenal switch/biliopancreatic diversion (courtesy Ethicon Endo-Surgery, Inc). Gastrointestinal Endoscopy 2015 81, 1063-1072DOI: (10.1016/j.gie.2014.09.044) Copyright © 2015 American Society for Gastrointestinal Endoscopy, the American Society of Metabolic and Bariatric Surgery, and the Society of American Gastrointestinal and Endoscopic Surgeons Terms and Conditions