<prompt> Which of the following is true about non specific interstitial pneumonia?Common in elderly age groupGood prognosisEarly honeycombingMales are affected more commonly then females  <response>: Non specific interstitial pneumonia is usually presented at a younger age group,most commonly in women .HRCT shows bilateral,subpleural ground-glass opacities,often associated with lower lobe volume loss.Patchy areas of airspace consolidation and reticular abnormalities may be present,but honeycombing is unusual.The majority of patients with NSIP have a good prognosis5 year moality rate estimated at 15,with most showing improvement after treatment with glucocoicoids,often used in combination with azathioprine. Reference:Harrison s medicine-18th edition,page no:2166. 