<prompt> All of the following produces cavitating lesion in the chest radiograph except: March 2010Caplans syndromeHematomaSquamous cell carcinoma lungHamaoma  <response>: Ans. D: HamaomaCauses of Lung cavitation:Alveolar hydatid diseaseBronchogenic carcinomaEmphysemaHistoplasmosisKlebsiella spTakayasus aeritisMycobacterium tuberculosisNeurofibromatosis type 1ParagonimiasisPneumocystis cariniiPulmonary embolismRheumatoid diseaseStaphylococcus aureus 