Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . There is similar mild unfolding along the descending thoracic aorta . The mediastinal and hilar contours appear unchanged . The chest is hyperinflated . There is no pleural effusion or pneumothorax . The lungs appear clear . There has been no significant change .
    OUTPUT:
    
No evidence of acute disease . Hyperinflation .