Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Moderate enlargement of cardiac silhouette is unchanged . The mediastinal and hilar contours are stable . Mild pulmonary vascular congestion is noted . No pleural effusion or pneumothorax is present . Multilevel degenerative changes within the thoracic spine are re - demonstrated . There are several clips are noted within the upper abdomen .
    OUTPUT:
    
Mild pulmonary vascular congestion .