Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the right dialysis catheter projects over the right atrium . The sternotomy wire wrists are intact . There is unchanged marked could enlargement of the cardiac silhouette . Minimal bibasilar atelectasis , greater on the left . No pleural effusion or pneumothorax identified .
    OUTPUT:
    
Mild bibasilar atelectasis , greater on the left . Enlarged cardiac silhouette , unchanged .