Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine portable AP view of the chest was provided . Endotracheal tube tip is positioned at the carina . Retraction is recommended . NG tube is seen coursing into the left upper quadrant . The patient is known to have an elevated left hemidiaphragm . Otherwise , the lungs appear clear .
    OUTPUT:
    
Low position of ET tube . Recommend retraction . Elevated left hemidiaphragm . NG tube in appropriate position .