Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant change from 18 :53 . An enteric tube terminates within the distal esophagus and should be advanced at least ___- 12 cm for appropriate positioning . Low lung volumes again noted . Pulmonary masses in pulmonary nodules better seen on prior clear exams . Distention of the colon is also noted .
    OUTPUT:
    
Enteric tube terminates within the distal esophagus and should be advanced ___- 12 cm for appropriate positioning . No other significant change .