Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest . An enteric tube ends in the gastric pull - through . There is no evidence of the barium within the intrathoracic stomach . Again seen is colon in the lower hemithorax on the left , unchanged . Atelectasis bilaterally is again seen . No pneumothorax . Heart size is normal .
    OUTPUT:
    
No transit of barium compared to prior study .