Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is present . There are mild degenerative changes seen in the thoracic spine . Clips are noted in the right upper quadrant of the abdomen compatible prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary abnormality .