Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The aortic arch is calcified . A moderate hiatal hernia projects over the lower mediastinum , not significantly changed . More generally , the cardiac , mediastinal , and hilar contours are stable . The lungs appear clear . There are no pleural effusions or pneumothorax . The chest is hyperinflated . Minimal degenerative change is noted along the mid thoracic spine .
    OUTPUT:
    
No evidence of acute disease . Moderate hiatal hernia . Hyperinflation .