Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and hilar contours are stable . Again appreciated is a moderate - to - large hiatal hernia projecting slightly right of midline . The lungs are clear except for minimal bibasilar linear atelectasis . There is no pleural effusion or pneumothorax . A right subclavian infusion port is unchanged in position with the tip projecting over the low SVC .
    OUTPUT:
    
No acute cardiopulmonary process ; specifically , no evidence of pneumonia . Moderate - to - large hiatal hernia .