<prompt> Cavitatory lesions in lung are seen in which of the following infections?Primary pulmonary TuberculosisStaphylococcal pneumoniaPneumoconiosisInterstitial Lung disease  <response>: Cavitation and pleural effusions are comon complications of Staphylococcal pneumonia DD OF CAVITARY LESIONS IN LUNG C - carcinoma metastasis, squamous cell Ca, lymphomas A - autoimmune Wegeners Granulamatosis, rheumatoid nodules V - vascular emboli I - infection staph pneumonia, lung abscess, fungal pneumonia, TB, Hydatid cyst T - trauma Y - young congenital Ref: Rubins Pathology: Clinicopathologic Foundations of Medicine By Raphael Rubin, David S. Strayer, Page 548. 