Secondary aortoenteric fistula (SAF) is an uncommon but very ... Primary digestive tract radiography did not show any sign of duodenal stenosis. The esophagogastroduodenoscopy showed no ...

Roux-en-Y gastric bypass (RYGB), a form of metabolic surgery, establishes duodenal exclusion by diverting intestinal contents away from the upper GI tract. This intervention—commonly referred to ...