Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . The lungs are clear . Retrocardiac opacity again noted compatible with hiatal hernia . Cardiomediastinal silhouette is stable . Bony structures are intact . Eventration of the right hemidiaphragm noted .
    OUTPUT:
    
Stable hiatal hernia . Otherwise , normal .