Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The mediastinum appears wide , which is likely rotational . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . Vertebral fixation hardware is incompletely imaged . There are overlying surgical ___ .
    OUTPUT:
    
No acute cardiopulmonary abnormality .