Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are within normal limits . Pulmonary vasculature is normal . Lungs are hyperinflated suggestive of COPD . Scarring within the lung apices is unchanged . No focal consolidation , pleural effusion or pneumothorax is identified . Mild degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .