Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart and mediastinal contours appear stable and within normal limits . A large hiatal hernia is again noted . The lungs are clear with no evidence of a consolidation , effusion , or pneumothorax . No free air is noted in the hemidiaphragms . No acute fractures are identified .
    OUTPUT:
    
Large hiatal hernia with no acute cardiopulmonary process .