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: Radiology
[{'content': 'A 50-year-old male patient having a history of chronic smoking presents with a single lymph node enlargement and hoarseness of voice. The next line of management is: \nSelect and explain. \nA. FNAC, B. IDL with CXR, C. Percutaneous biopsy, D. Advise him very seriously to stop smoking', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Percutaneous biopsy', 'role': 'assistant'}]