Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . There has been interval placement of a nasogastric tube which is seen descending into the upper abdomen though the tip is not clearly visualized . There is mild left basal atelectasis . Multiple PTBD is noted projecting over the upper abdomen .
    OUTPUT:
    
NG tube descends into the upper abdomen .