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': 'Pneumothorax is seen in all, except? \nSelect and explain. \nA. Marfan syndrome, B. Assisted ventilation, C. Eosinophilic granuloma, D. Bronchopulmonary Aspergillosis', 'role': 'user'}, {'content': "Answer: D \nExplanation: Answer is D (Bronchopulmonary Aspergillosis) Bronehoptilmoi.ary Aspergillosis has not been mentioned as a cause for pneumothorax. Aificial ventilation is an established cause for iatrogenic pneumothorax while Marfan's syndrome and Eosinophilic granuloma are established causes for secondary spontaneous pneumothorax.", 'role': 'assistant'}]