Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An esophageal stent appears unchanged . There is also a stent along the left mainstem bronchus that appears unchanged . The cardiac , mediastinal and hilar contours appear stable there is no pleural effusion or pneumothorax . The lungs appear clear . The chest is hyperinflated . There has been no significant change .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .