Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is perhaps mildly enlarged . The lung volumes appear low . Allowing for technique , the mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . The lungs appear clear . Multilevel osteophytes are noted throughout the mid - to - lower thoracic spine .
    OUTPUT:
    
No evidence of acute disease .