Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . The heart size is mildly enlarged but unchanged . Mediastinal and hilar contours appear similar with diffuse atherosclerotic calcifications of the thoracic aorta again noted . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is present . Moderate degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .