Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . The mediastinal and hilar contours are unchanged with mild tortuosity of thoracic aorta again noted . The lungs are hyperinflated . No focal consolidation , pleural effusion or pneumothorax is present . Multilevel degenerative changes are seen in the thoracic spine with anterior bridging osteophytes .
    OUTPUT:
    
No acute cardiopulmonary abnormality .