Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . A large hiatal hernia is demonstrated . Hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is visualized . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Large hiatal hernia .