Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . There is mild unfolding along the thoracic aorta . Patchy calcification is noted along the aortic arch . The cardiac , mediastinal and hilar contours are otherwise unremarkable . There is no pleural effusion or pneumothorax . The lungs appear clear . Small - to - moderate anterior partly flowing anterior osteophytes are present along several lower thoracic levels , but the vertebral body heights and interspaces appear preserved . Slight rightward convex curvature is oriented toward the right .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .