Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , there has been no significant interval change . Large hiatal hernia is again noted . Volume loss in the right hemithorax with rightward deviation of the upper thoracic trachea and elevation of the right hemidiaphragm . The cardiomediastinal silhouette is stable . No acute osseous abnormalities . Surgical clips project over the right lateral chest wall .
    OUTPUT:
    
No acute cardiopulmonary process .