Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear . Cardiomediastinal and hilar contours are normal . Note is made of a moderate hiatal hernia , with internal air - fluid levels There are no pleural effusions or pneumothorax . New surgical clips project over the right chest wall .
    OUTPUT:
    
Moderate hiatal hernia . No acute process .