Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The mediastinal and hilar contours appearing unremarkable . The chest appears hyperinflated . The lungs appear clear . There are no pleural effusions or pneumothorax . The bones appear demineralized . There is mild - to - moderate rightward convex curvature centered along the lower thoracic spine . There is minimal loss in vertebral body height along the mid thoracic vertebral body and immediately above that level there is a very minimal biconcave compression deformity which appears chronic . The left acromioclavicular joint is narrowed .
    OUTPUT:
    
No evidence of acute disease .