Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . There are bibasilar areas of subsegmental atelectasis . An enteric tube courses into the stomach and below the hemidiaphragm , it s distal tip is not visualized . A left - sided PICC line terminates low in the right atrium . It may be withdrawn by 4 cm for more optimal positioning at the superior cavoatrial junction .
    OUTPUT:
    
Low lying left PICC line may be withdrawn by 4 cm for more optimal positioning at the superior cavoatrial junction . NG tube in satisfactory position . Bibasilar subsegmental atelectasis .