Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and aortic valve replacement . Heart size is normal . The aorta is diffusely calcified . Hilar contours are unchanged , and there is mild pulmonary vascular congestion without frank pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is present . Multiple clips are seen overlying the right upper chest . Moderate degenerative spurring is seen in the thoracic spine .
    OUTPUT:
    
Mild pulmonary vascular congestion .