Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the left PICC line projects over the superior cavoatrial junction . There is no pneumothorax . There is new right lung base linear atelectasis with otherwise clear lungs . The heart and mediastinum are within normal limits despite the projection . Regional bones and soft tissues are unremarkable .
    OUTPUT:
    
Left PICC line in satisfactory position . New right lung base linear atelectasis with otherwise clear lungs .