Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New right subclavian PICC line has been placed with tip ending in right atrium . After phone call with nursing care , it has been suggested to pull it back by 4 cm . There is no pneumothorax . Lung volumes persistenly low , with bibasilar atelectasis for severe colonic air distension . There are no nodule or new consolidation . Heart size is normal . Aorta is mildly elongated . There is no pleural effusion .
    OUTPUT:
    
PICC line positioning with tip ending in the right atrium . It has been suggested to pull it back of 4 cm by Dr . ___ to nursing care at 12 :45 p .m .