Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post recent median sternotomy and coronary artery bypass surgery . Cardiomediastinal contours are stable in the post-operative period . Tiny left apical pneumothorax is present . Bibasilar atelectasis is present , slightly improved on the right and worse on the left . Small pleural effusions are also noted .
    OUTPUT:
    
1 . Bibasilar atelectasis and small pleural effusions . 2 . Tiny left apical pneumothorax .