Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear unchanged . The lungs are hyperinflated . There is no evidence for pleural effusion or pneumothorax . The lungs appear clear . Mildly exaggerated kyphotic curvature and suspected demineralization are noted .
    OUTPUT:
    
Hyperinflation . No evidence of acute disease .