Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable , with mild aortic calcification . Hyperinflated lungs with flattened hemidiaphragms is consistent with emphysema . No consolidation , pleural effusion or pneumothorax is seen . An old right rib fracture and a non-united distal clavicle fracture are redemonstrated .
    OUTPUT:
    
Emphysema . No acute cardiopulmonary pathology .