Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiomediastinal shilhouette is normal . There is a small left pleural effusion and left basilar atelectasis . The endotracheal tube is too high , at the thoracic inlet and 9 cm above the carina . new compared to ___ at 5 :42 a .m .
    OUTPUT:
    
Since yesterday morning the endotracheal tube was pulled back and now is too high at the thoracic inlet and should be advanced by about 4 .5 cm .