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 are hyperinflated but clear . There is no pleural effusion or pneumothorax . Small osteophytes are noted along the mid thoracic spine . There are also subchondral cystic changes in the right humeral head .
    OUTPUT:
    
No evidence of acute disease .