Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is a large right pleural effusion with substantial adjacent right middle and lower lobe atelectasis ; and a moderate left pleural effusion . No pneumothorax . The heart borders are not well seen due to bilateral pleural effusions . The mediastinal contours are normal .
    OUTPUT:
    
Large right and moderate left pleural effusions .