<prompt> A patient with peptic ulcer disease undergone billroth 2 gastrectomy. Later the patient presented with postprandial pain. On endoscopy oedematous and inflamed gastric mucosa has been found. What is the preferred diagnosisAlkaline gastritisDumping syndromeGastroparesisNone of the above  <response>: Reflex of duodenal juices into the stomach after billroth surgery e will cause inflamed gastric mucosa. Treatment of choice is roux en y gastrojejunostomy. 