Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size appears at least mild to moderately enlarged , though difficult to assess given the presence of moderate size bilateral pleural effusions , left greater than right . The size of these effusions appears increased compared to the previous exam . There is mild pulmonary vascular congestion as well as patchy opacities in the lung bases , most likely bibasilar compressive atelectasis . No pneumothorax is present . The mediastinal contour is unchanged . No acute osseous abnormality is present .
    OUTPUT:
    
Moderate size bilateral pleural effusions , left greater than right , and increased from the prior study . Compressive bibasilar atelectasis . Mild pulmonary vascular congestion .