Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is diffusely increased interstitial markings bilaterally with peripheral and lower lung predominance , overall slightly improved compared to 1 day prior . Pattern of involvement is similar to prior chest CT , which showed NSIP . Cardiac silhouette is mildly enlarged , similar to prior .
    OUTPUT:
    
Bilateral opacities in the lower lungs are slightly improved compared to prior .