Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right pleural effusion and atelectasis noted on the prior study are much improved on today 's study . The heart size is borderline enlarged . The mediastinal and hilar silhouettes appear normal . There is no pleural effusion on the left . The lungs are clear .
    OUTPUT:
    
1 . Interval resolution of right pleural effusion and adjacent opacities . 2 . Borderline enlarged heart size .