Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright view of the chest . Left PICC line ends in the upper right atrium . It has advanced compared to prior study where it ended in the mid-to - lower SVC . The lungs are clear . The heart is normal in size . The mediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
The left PICC line has been slightly advanced and now ends in the right atrium . Suggest pulling back 2 cm . Otherwise , normal examination of the chest . No pneumothorax . These findings were discussed with Dr . ___ at 11 :30 a .m . on ___ by telephone .