Pneumothorax is seen in all, except?

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.