Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of a right PICC line projects over the lower SVC . Status post prior median sternotomy . Persisting vascular congestion as well as small bilateral pleural effusions and adjacent atelectasis . No pneumothorax identified . The size the cardiac silhouette is enlarged but unchanged .
    OUTPUT:
    
No pneumothorax identified . Otherwise no significant interval change since the prior study .