Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen , is enlargement of the cardiac silhouette . The hilar and mediastinal contours are stable . There has been interval improvement of the previously noted pulmonary edema . No new focal consolidation concerning for infection is identified . There are chronic areas of scarring in the left lower lobe , as well as a stable nodular opacity at the left heart border . Post - sternotomy wires are seen intact . The pacemaker defibrillator leads are unchanged in position . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Overall interval improvement of the previous noted pulmonary edema . No pneumonia .