Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . There is mild unfolding of the thoracic aorta . The mediastinal and hilar contours appear unchanged . The lungs appear clear . A nipple shadow is visualized on the left . A deformity of the left proximal humerus appears similar allowing for differences in technique . There is mild leftward convex curvature centered along the lower thoracic spine .
    OUTPUT:
    
No evidence of acute disease .