Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . A small hiatal hernia is demonstrated . Mediastinal and hilar contours are otherwise unremarkable . No focal consolidation , pleural effusion or pneumothorax is seen . Multiple clips are noted in the upper abdomen . Multilevel degenerative changes are present in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .