<prompt> A 40 year old man presented with repeated episodes of bronchospasm and hemoptysis. Chest X-ray revealed perihilar bronchiectasis. The most likely diagnosis is :SarcoidosisIdiopathic pulmonary fibrosisExtrinsic allergic alveolitisBronchopulmonary aspergillosis  <response>: Answer is D Bronchopulmonary Aspergillosis: Coexistence of repeated of bronchospasm asthma, Central perihilar bronchiectasis and haemoptysis suggest a diagnosis of allergic bronchopuhnonary aspergillosis. The questions gives us three leads: bronchospasm, hemoptysis, bronchiectasis. Presence of repeated episodes of bronchospasm indicates towards a possible existence of asthma. Hemoptysis, central bronchiectasis are well known complications of Allergic Broncho Pulmonary Aspergillosis. All three of these features are consistent with the diagnosis of ABPA. 