Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Moderate enlargement of cardiac silhouette is re - demonstrated . The mediastinal contours are also unchanged with tortuosity of the thoracic aorta again noted which is also diffusely calcified . The hilar contours are stable , and there is no pulmonary edema . Lungs are clear . No focal consolidation , pleural effusion or pneumothorax is demonstrated . Partially imaged is an abdominal aortic stent graft . There are no acute osseous abnormalities seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .