Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . Patient is status post median sternotomy . There is stable mild - to - moderate enlargement of the cardiac silhouette . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . There is mild central pulmonary vascular engorgement . Minimal left base atelectasis may be present .
    OUTPUT:
    
Mild central pulmonary vascular engorgement without overt pulmonary edema . Mild - to - moderate enlargement of the cardiac silhouette again seen .