This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Which one of the following is not a treatment of gastroesophageal variceal haemorrhage ? \nSelect and explain. \nA. Sclerotherapy, B. Sengstaken tube, C. Transjugular intrahepatic poacaval shunt, D. Gastric freezing', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Gastric freezing", 'role': 'assistant'}]