<prompt> Cut surface of lungs in Silicosis shows?Pleural thickeningHard collagenous scarsNodulesAll of the above  <response>: ANSWER: D All of the aboveREF: Robbins 7th ed p. 734Cut surface of lung in silicosis shows:Tiny barely palpable nodules in early stageHard collagenous scars later onPleural thickening 