Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The cardiomediastinal and hilar contours are within normal limits with mild unfolding of the thoracic aorta . Again noted is a moderate hiatal hernia . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary process . Unchanged moderate hiatal hernia .