Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours are unremarkable aside from patchy atherosclerotic calcification along the aortic arch . There is no pleural effusion or pneumothorax . The lungs appear clear . Moderate anterior osteophytes are noted along the mid thoracic spine , with smaller ones along the thoracolumbar junction .
    OUTPUT:
    
No evidence of acute disease . Normal cardiac size .