Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unchanged . Lungs are hyperinflated compatible with underlying emphysema . No focal consolidation is seen . Minimal scarring within the lung apices is unchanged . No focal consolidation , pleural effusion or pneumothorax is present . Partially imaged is cervical spinal fusion hardware . There are minimal degenerative changes in the imaged thoracolumbar spine . Remote bilateral rib fractures are again noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Emphysema .