Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant change compared to prior . No pneumothorax . Left pleural effusion is slightly smaller . No consolidation . The cardiac silhouette is enlarged and unchanged . The mediastinum is normal . The sternotomy wires are intact and in unchanged position .
    OUTPUT:
    
Slightly smaller left pleural effusion . Otherwise stable chest radiograph .