Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded but clear . The cardiomediastinal silhouette and hilar contours are normal . No pleural effusion or pneumothorax is present . The sternal wires are intact . A hiatal hernia noted . There is kyphotic angulation of the thoracic spine .
    OUTPUT:
    
No acute intrathoracic process . Hiatal hernia .