Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Mild enlargement of cardiac silhouette is again noted . The mediastinal and hilar contours are within normal limits . Minimal atelectasis is seen in the lung bases . There is no pulmonary edema , focal consolidation , pleural effusion or pneumothorax . Moderate multilevel degenerative changes are seen in the thoracic spine . No acute osseous abnormality is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .