Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours are unremarkable aside from a moderate - to - large hiatal hernia . There is no pleural effusion or pneumothorax . The lungs appear clear . Bony structures are unremarkable .
    OUTPUT:
    
Large hiatal hernia ; otherwise unremarkable .