<prompt> 65-year-old man presented with hemoptysis and stage 3 clubbing. The probable diagnosis of the patient is?Non- small cell lung CaSmall cell cancer of lungTuberculosisSarcoidosis  <response>: Ans. A. Non- small cell lung Ca Most common cause of hemoptysis is tuberculosis but at 65 years of age it is more likely a presentation of lung cancer. Lung cancers can cause hemoptysis but clubbing is seen with non- small cell cancer of the lung only. Remember that clubbing is absent in small cell cancer of the lung. 