Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , there is mild interstitial pulmonary edema . Multifocal airspace opacities have improved . There is moderate to severe cardiomegaly , increased since prior . There is small bilateral pleural effusions .
    OUTPUT:
    
Interval improvement of multifocal opacities . New mild interstitial pulmonary edema with small pleural effusions .