Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart appears normal in size . The mediastinal and hilar contours appear unchanged . There is no pleural effusion or pneumothorax . The lungs appear clear . There is a very mild superior endplate compression deformity of a lower thoracic vertebral body , likely chronic , and unchanged since prior the thoracic radiographs .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .