Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the radiograph from 4 hr prior , there is continued pulmonary edema without pleural effusions . Stable enlargement of the cardiac silhouette . No new focal consolidation or pneumothorax . Unchanged median sternotomy wires , mediastinal clips and aortic valve replacement .
    OUTPUT:
    
Continued pulmonary edema without new effusions or focal consolidations . No pneumothorax .