Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . The mediastinal and hilar contours are within normal limits . The lungs are clear . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is identified . No acute osseous abnormality is visualized . Diffuse idiopathic skeletal hyperostosis is re - demonstrated in the imaged thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .