Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Moderate cardiomegaly is again noted . There has been interval improvement of the right lung base opacity . There has also been decrease in size of the pleural effusion on the right which is now trace . Persistent slightly increased interstitial markings are noted . There is no new consolidation .
    OUTPUT:
    
Interval improvement of the right basilar opacity and small effusion . Otherwise , no change . There is potentially mild interstitial edema , not significantly changed .