Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study , the radiopaque tip of the NG tube has retracted . It now overlies the mid mediastinum / mid esophagus and should be advanced . Otherwise , I doubt significant interval change . Loops tubing overlies the patient 's neck .
    OUTPUT:
    
Retraction of the NG to . The tip now overlies the mid mediastinum / mid esophagus .