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': 'Centrally located cavitating lung lesion is most likely to be – \nSelect and explain. \nA. Sarcoma, B. Small cell carcinoma, C. Adenocarcinoma, D. Squamous cell carcinoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A most common type of lung carcinoma which is associated with cavitation is squamous cell carcinoma. Squamous cell carcinoma is central in location.', 'role': 'assistant'}]