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 aorta is mildly unfolded . Mediastinal contours are otherwise unchanged . There is mild upper zone vascular redistribution suggestive of mild pulmonary vascular congestion . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities . Remote left - sided rib fractures are again noted . Partially imaged is an aortic stent graft in the upper abdomen .
    OUTPUT:
    
Mild pulmonary vascular engorgement .