Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . The lungs appear clear . There are no pleural effusions or pneumothorax . The chest is hyperinflated . Mild degenerative changes are similar along the mid through lower thoracic spine . The thoracic spine again demonstrates mild reverse S - shaped curvature .
    OUTPUT:
    
Hyperinflation . No evidence of acute cardiopulmonary disease .