Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged but unchanged . Mediastinal and hilar contours are stable , with diffuse atherosclerotic calcification of the thoracic aorta again noted . There is mild tortuosity of the thoracic aorta . Lungs are clear and the pulmonary vascularity is normal . No pleural effusion or pneumothorax is seen . No acute osseous abnormalities are detected . Several clips are noted within the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .