Pancreaticoduodenectomy (Whipple procedure) Pancreaticoduodenectomy (Whipple procedure). A: Preoperative anatomic relationships showing a tumor in the head of the pancreas. B: Postoperative reconstruction showing pancreatic, biliary, and gastric anastomoses. A cholecystectomy and bilateral truncal vagotomy are also part of the procedure. In many cases, the distal stomach and pylorus can be preserved, and vagotomy is then unnecessary. Source: Pancreas, CURRENT Diagnosis & Treatment: Surgery, 14e Citation: Doherty GM. CURRENT Diagnosis & Treatment: Surgery, 14e; 2015 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1202/doh_ch26_f005.png&sec=71521877&BookID=1202&ChapterSecID=71521584&imagename= Accessed: December 26, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved