Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . The cardiomediastinal silhouette and hilar contours are unremarkable and unchanged . The lungs are again minimally hyperinflated and hyperlucent suggestive of emphysema . The lungs are otherwise clear without focal consolidation . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . 2 . Hyperinflation of the lung fields with hyperlucency suggestive of emphysema .