Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is upper limits normal in size . There small bilateral pleural effusions . Compared to the study from the prior day the aeration in the lower lobes is improved . However , there is still an area of increased opacity in the right lower lung that may represent a small area of atelectasis versus infiltrate
    OUTPUT:
    
Slight improved appearance of the lungs .