Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged , unchanged . Mediastinal and hilar contours are similar with atherosclerotic calcifications noted at the aortic knob . Pulmonary vasculature is normal . Elevation of the left hemidiaphragm is chronic . Lungs are clear without focal consolidation , pleural effusion or pneumothorax . No acute osseous abnormalities identified . Clips are again noted within the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .