Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates interval advancement of the enteric tube , which now terminates in the distal esophagus , still proximal to the gastroesophageal junction . This tube should be advanced several cm , at least 6 cm , with placement within the stomach is desired . The remainder of the exam is unchanged , with slightly improved lung volumes .
    OUTPUT:
    
Interval advancement of the enteric tube , which now terminates in the distal esophagus . If placement within the stomach is desired , advancement of several cm is recommended .