Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube ends 3 .5 cm above the carina with the chin extended . It should be re-evaluated when the head and neck or in neutral position which would advance the tip of the tube . The esophageal drainage tube is coiled in the upper stomach . The lung fields are clear . Cardiomegaly is mild . There is no pneumothorax or pleural abnormality .
    OUTPUT:
    
Has currently positioned , the endotracheal tube could advance too close to the carina when the head and neck are neutral position .