Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph shows a right hilar / infrahilar mass and bilateral streaky bibasilar consolidation with an appearance suggesting subsegmental atelectasis . On the right this involves the middle lobe and a radiodense , well - expanded stent is identified overlying the middle lobe bronchus . No pneumothorax or pneumomediastinum is seen . Calcified atherosclerotic plaque is seen in the arch of the thoracic aorta .
    OUTPUT:
    
Well - expanded stent in expected position of mid lobe bronchus through large right hilar / infrahilar mass