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 is no pleural effusion or pneumothorax . No acute fracture is identified . Minimal wedging of a mid thoracic vertebral body is probably chronic .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease or injury .