Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Enlarged cardiomediastinal silhouette is unchanged . Moderate left pleural effusion and compressive atelectasis is stable . There is a small right pleural effusion . Pulmonary edema has mildly improved . Median sternotomy wires are intact .
    OUTPUT:
    
Moderate left and small right pleural effusion . Mild interval improvement of pulmonary edema .