Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single AP chest radiograph was obtained . The lungs are well expanded and clear . There is no effusion or pneumothorax . Mild left basilar opacity likely reflects atelectasis . Minimal interstitial abnormality within the right mid lung field appears to correlate to tree - in - ___ opacities on the prior Chest CT , and could reflect chronic aspiration . There is mild elevation of the left hemidiaphragm which is chronic . A stent projects over the gastroesophageal junction and extends into the upper aspect of the stomach . Dual cardiac pacing leads are in stable position .
    OUTPUT:
    
Stent positioned within the gastroesophageal junction and extending into the upper stomach .