Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Cardiac silhouette is normal in size . There is a hiatal hernia . The hila appear relatively normal today and have decreased in size since the prior study , particularly on the left .
    OUTPUT:
    
1 . Decrease in the hilar lymphadenopathy compared to the prior study . 2 . Hiatal hernia .