Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The support lines are in unchanged position . The right subclavian line , and left Port - A - Cath terminate in the low SVC . The left subclavian line terminates in the mid SVC . Bibasilar atelectasis re - demonstrated . The cardiomediastinal silhouette is unchanged . There is no pneumothorax or large pleural effusion .
    OUTPUT:
    
Right and left subclavian lines and left Port - A - Cath are unchanged in position terminating in the SVC .