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 . There is no pleural effusion or pneumothorax . The bones appear demineralized . No fracture is identified . The vertebral body heights and interspaces appear essentially preserved .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease or injury .