Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , the tip of the Dobhoff catheter now projects over the pylorus . A right - sided PICC line remains in unchanged position , in the lower SVC . There are low lung volumes which accentuate the cardiac silhouette and bronchovascular structures . Residual contrast is noted within bowel .
    OUTPUT:
    
Dobhoff tube tip at pylorus .