Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are normal . Lungs remain hyperinflated with mild emphysematous changes again noted at the apices . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is demonstrated . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Emphysema .