Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are low in volume and show bibasilar and right midlung opacities . The cardiac silhouette is enlarged . The mediastinal silhouette and hilar contours are normal . No pneumothorax is present . An ET tube is noted in the mid thoracic trachea , appropriate . A left - sided PICC line terminates in the mid SVC .
    OUTPUT:
    
Appropriate ET tube . No other change .