Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . There is minimal atelectasis at the base of the right lung . Otherwise the lungs are clear . There is persistent elevation of the right hemidiaphragm , similar in appearance to ___ No pleural effusion or pneumothorax is seen . Left subclavian vascular stent is unchanged in position .
    OUTPUT:
    
No acute cardiopulmonary abnormality .