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: Medicine
[{'content': "35  year male patient who is knows case of HIV on Anti - Retroviral Therapy, Complains of fever, Dyspnea, and dry cough and weight loss for past 3 months the chest X-ray of the patient is as below, that's your diagnosis? \nSelect and explain. \nA. Staphylococcal pneumonia, B. Pneumocystic pneumonia, C. Viral pneumonia, D. None", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Bilateral perihilar infiltrates is typical of pneumocystic\xa0pneumonia.', 'role': 'assistant'}]