Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged , unchanged . The aorta is diffusely calcified and tortuous , as seen previously . Otherwise the mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is seen . Minimal patchy atelectasis is present within the lung bases . Clips are noted in the right upper quadrant of the abdomen . There are mild multilevel degenerative changes seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .