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: Pharmacology
[{'content': 'A chronic smoker with history of hoarseness of voice found to have fixation of vocal cords on examination. The most likely treatment he will require is? NOT RELATED - ENT \nSelect and explain. \nA. Subtotal laryngectomy, B. Stripping of the vocal cord, C. Radiotherapy, D. Laser', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]