<prompt> Scar carcinoma of lung is seen most commonly following -TuberculosisIrradiationInfarctAll  <response>: Ans. is a i.e., Tuberculosis; b i.e., Irradiation c i.e., Infarct Scar Ca seen after -- Old infarcts, metallic foreign bodies, wounds, granulomatous infection such as T.B. These carcinomas are usually Adenocarcinomas 