(Fig. 26-15A reproduced with permission from Cummings DE, et al: Plasma ghrelin levels after diet-induced weight loss or gastric bypass surgery. N Engl J Med 346:1623, 2002. Copyright ©2002 Massachusetts Medical Society. All rights reserved. Fig. 26-15B reproduced with permission from Karamanakos SN, et al: Weight loss, appetite suppression, and changes in fasting and postprandial ghrelin and peptide-YY levels after Roux-en-Y gastric bypass and sleeve gastrectomy: A prospective, double blind study. Ann Surg 247:401, 2008.) Source: Chapter 26. Stomach, Schwartz's Principles of Surgery, 9e Citation: Brunicardi F, Andersen DK, Billiar TR, Dunn DL, Hunter JG, Matthews JB, Pollock RE. Schwartz's Principles of Surgery, 9e; 2010 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/brun9/brun9_c026f015a.gif&sec=40047593&BookID=352&ChapterSecID=40039768&imagename= Accessed: December 27, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved