Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The first provided radiograph demonstrates a Dobbhoff tube in the lower esophagus . The subsequent radiograph demonstrates advancement of the catheter , with its tip in the upper stomach . There is mild residual pulmonary edema . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Tip of the Dobbhoff tube is in the upper stomach .