Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No change in the position of the left pectoral pacemaker with leads in the right atrium and right ventricle . Median sternotomy wires are intact . Compared with the prior radiograph , mild interstitial pulmonary edema and the right pleural effusion have improved , with better lung aeration . Moderate enlargement of the heart is unchanged . No new focal consolidation or pneumothorax .
    OUTPUT:
    
Improved mild interstitial pulmonary edema and right pleural effusion , without new focal consolidation .