Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . An epicardial fat pad is incidentally demonstrated . The aortic arch appears calcified . The mediastinal and hilar contours are otherwise unremarkable . There is no pleural effusion or pneumothorax . The lungs appear clear . There is mild S - shaped thoracolumbar curvature .
    OUTPUT:
    
No evidence of cardiomegaly or acute cardiopulmonary disease .