Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . There is slight unfolding of the thoracic aorta . The lungs appear clear . There is no pleural effusion or pneumothorax . There is mild relative elevation of the right hemidiaphragm compared to the left side . No bony abnormality is identified .
    OUTPUT:
    
No evidence for acute cardiopulmonary disease or injury .