This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Esophagus, Subject name: Surgery
[{'content': 'Successful treatment of a Zenker diveiculum involves? \nSelect and explain. \nA. Diveiculopexy, B. Resection of the diveiculum, C. Either diveiculopexy or resection with cricopharyngeal myotomy, D. Observation', 'role': 'user'}, {'content': "Answer: C \nExplanation: Treatment of Choice -Cricopharyngeal Myotomy + Diveiculoplexy (most common among elderly, diabetics for which Diveiculoplexy is a safer procedure) Other alternative procedures: - -Diveiculectomy (for larger diveicula's > 4cm) - Diveiculo-esophagostomy (aka Dohlman procedure) -performed endoscopically.", 'role': 'assistant'}]