Fig. 3
From: A primer to common major gastrointestinal post-surgical anatomy on CT—a pictorial review
Billroth type 1 procedure. a Axial CT image with oral contrast in a 74-year-old woman with Billroth 1 and vagotomy for peptic ulcer disease shows metallic sutures (black arrow) at the end-to-end anastomosis between the remnant stomach (S) and duodenum (gastroduodenostomy). b Coronal CT image showing the gastroduodenostomy; duodenum (D) and stomach (S). Note the staples representing the vagotomy (arrowheads in a and b) and pneumoperitoneum and pneumoretroperitoneum (white arrow, a), (the patient presented with perforated sigmoid diverticulitis, not shown)