Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sternotomy wires are intact . Mild right lung base opacity likely reflects atelectasis . There is no pneumothorax or large pleural effusion . Enlarged cardiac silhouette is similar to before and likely due to combination of enlarged heart and substantial mediastinal and pericardial fat as demonstrated on prior CT .
    OUTPUT:
    
No acute cardiopulmonary process .