Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior study , a Dobbhoff tube has been placed . The radio-opaque portion of the tube overlies the lower mediastinum / lower esophagus and has not yet passed beyond the GE junction . Otherwise , no significant change is detected .
    OUTPUT:
    
Dobbhoff tube tip overlies the lower mediastinum / lower esophagus , and lies proximal to the GE junction .