This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach & Duodenum, Subject name: Surgery
[{'content': 'Which of the following surgeries is not Bariatric surgery? \nSelect and explain. \nA. Banding gastroplasty, B. RouxEn-Y gastric bypass, C. Sleeve gastrectomy, D. Duodenojejunostomy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) DuodenojejunostomyRef: Sabiston 20th Edition, Page 1168Types of Bariatric Surgery:Restrictive* Vertical banded gastroplasty* Adjustable silicone gastric banding* Sleeve gastrectomyMostly restrictive (and partly malabsorptive)* Short-limb (50-100cm) Roux-En-Y gastric bypass* Long-limb 150cm) Roux-En-Y gastric bypassMostly malabsorptive* Biliopancreatic diversion with or without duodenal switch', 'role': 'assistant'}]