Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . The lungs appear clear . There are no pleural effusions or pneumothorax . Although dedicated rib films were not performed , no fracture is identified . There is mild leftward convex curvature centered along the mid - to - lower thoracic spine .
    OUTPUT:
    
No radiographic evidence of injury .