Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is mildly enlarged but unchanged . The mediastinal and hilar contours are stable . The pulmonary vascularity is normal . There is no focal consolidation , pleural effusion or pneumothorax . Numerous clips are demonstrated within the left upper quadrant of the abdomen . There are mild degenerative changes within the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .