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 . There is no pleural effusion or pneumothorax . The lungs appear clear . There is a small Schmorl 's node along the superior endplate of the T12 vertebral body . The vertebral body heights and interspaces appear preserved .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .