This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Which of the following is treatment for chronic dacryocystitis? \nSelect and explain. \nA. Dacryocystorhinostomy, B. Dacryocystectomy, C. Massaging, D. Syringing', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Dacryocystorhinostomy(DCR) is the treatment of choice for chronic dacryocystitis.', 'role': 'assistant'}]