Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two portable views of the chest . First film demonstrates a right mainstem bronchus intubation . The second film demonstrates endotracheal tube tip within 1 cm from the carina . Low lung volumes are noted , and the lung bases are excluded from the field of view on the second film . There is widening of the upper mediastinum likely due to low lung volume and supine technique . Enteric tube passes off the inferior field of view .
    OUTPUT:
    
Endotracheal tube within 1 cm from the carina . This was text paged to the referring physician ___ . ___ at 1 :25 p .m . on ___ .