Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear without focal consolidation . There is a large hiatal hernia . Biapical scarring is noted . The cardiomediastinal silhouette is otherwise within normal limits . No acute osseous abnormality is identified .
    OUTPUT:
    
Large hiatal hernia without acute cardiopulmonary process .