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: Radiology
[{'content': 'A 70 year old male came with complaints of breathlessness. On examination abnormal bronchial breath sounds. Xray shown is as below. The most probable diagnosis is \nSelect and explain. \nA. Pulmonary TB, B. Metastasis, C. Bronchogenic carcinoma, D. Sarcoidosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]