Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . A moderate hiatal hernia projects over the lower mediastinum in the midline . There is also a very small eventration suspected along the right hemidiaphragm . There is no pleural effusion or pneumothorax . The lungs appear clear .
    OUTPUT:
    
No evidence of acute disease . Moderate hiatal hernia .