Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . Bibasilar atelectasis have improved still larger on the left . Small bilateral effusions are grossly unchanged larger on the left . There is no pneumothorax . Sternal wires are aligned . Patient is status post CABG .
    OUTPUT:
    
Small bilateral pleural effusions with adjacent atelectasis larger on the left .