Which of the following is true about non specific interstitial pneumonia?

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 prognosis(5 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.