Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed . The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . The lungs are hyperinflated with large retrosternal air space , consistent with COPD . There is no focal consolidation concerning for pneumonia . Scattered granulomas are again seen . Air is seen within the esophagus at multiple levels . There is the suggestion of a small hiatal hernia .
    OUTPUT:
    
No aspiration . Air in the esophagus in multiple locations . Further assessment with a barium swallow may be considered .