<prompt> Pneumothorax -Trachea shifted to opposite sideDullbreath soundTVF  <response>: Ans. is a i.e., Trachea shifted to opposite side Clinical distinguishing features on clinical examination Tracheal deviation Mediastinal shiftChest expansionPercussion note Duller Hyper-resonantBreath sounds Louder SofterAdded soundsVocal resonanceConsolidationNoNormal, or decreaseNormal, or decreaseIncrease BrochialCoarse crackles - rubIncreaseWhisperingPectoriloquyLobar collapseYes Towards collapseDecreaseDecreaseDecreaseNoDecreasePleural effusionNoDecreaseDecrease Stony dullDecreaseOccasional rubDecreasePneumothoraxYes Specially with tensionNormal or decreaseIncreaseDecreaseOccattonal clickDecrease 