Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube terminates 6 .8 cm above the expected location of the carina , with the patient 's head down , and should be advanced by 3 cm for optimal placement . NG tube is in the stomach . The entire left lung remains collapsed with shift of the cardiomediastinal silhouette to the left . The right lung is clear . No left effusion . No pneumothorax .
    OUTPUT:
    
1 . The endotracheal tube position is too high and should be advanced by 3 cm for more optimal placement . 2 . Persistent total left lung collapse .