Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The aortic arch is partly calcified . The mediastinal and hilar contours are otherwise unremarkable . The lungs appear clear . There are no pleural effusions or pneumothorax . There is slight loss in a lower thoracic vertebral body height , possibly T9 and likely chronic . Small osteophytes are noted along the thoracic spine .
    OUTPUT:
    
No evidence of acute disease . Mild loss in vertebral body height along a lower thoracic vertebral body .