<prompt> Necrotic nodules in lung are seen in-TBSarcoidosisRAAll of the above  <response>: Necrotic nodules in lung are seen in Infective causes: TB, histoplasmosis, syphilis, coccidiomycosis, Cats scratch disease Non- Infective causes: Wegners granulomatosis, Sarcoidosis, hyalinizing granuloma, idiopathic bronchocentric granulomatosis, RA Non-Necrotic lesion Non cavitating lesion: Pulmonary Hamaoma: Popcorn Calcifications 