This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': "All the following operations are done for gastroesophageal reflux disease Except \nSelect and explain. \nA. Heller's cardiomyotomy, B. Belsey operation, C. Nissen fundoplication, D. Hill procedure", 'role': 'user'}, {'content': "Answer: A \nExplanation: Antireflux surgery is the only effective long-term beneficial therapy. Laparoscopic fundoplication (most popular), Collis - Nissen veical gastroplasty and fundoplication, resection of OG junction when metaplasia is present, Belsey Mark 4 operation (technically difficult) are the procedures used now. * Total (Nissen's) or paial (Toupet) fundoplication wherein after narrowing the crus of the diaphragm, mobilised fundus is wrapped around the area of O-G junction either totally or paially. *Hill's operation--Fixing O-G junction posteriorly to preaoic fascia--to an arcuate ligament. * Boerema operation--Fixing O-G junction anteriorly to the abdominal wall. * The Belsey-mark-4 operation is plication of the oesophagus to the diaphragm through many sutures and so as to push the lower end of oesophagus downwards and make it intra-abdominal--thoracic approach. Ref: SRB&;s manual of surgery,3 rd ed, pg no 724", 'role': 'assistant'}]