Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . There is minimal atelectasis at the right lung base . A PICC line is noted with its tip at the cavoatrial junction .
    OUTPUT:
    
PICC with its tip at the cavoatrial junction .