Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest demonstrates interval placement of a right internal jugular approach central venous catheter with tip in the right atrium . The heart is normal in size . The mediastinal and hilar contours are within normal limits . The lung volumes are low , accentuating bronchovascular crowding . There is mild perihilar vascular congestion without frank edema . There is no large effusion . Mild retrocardiac atelectasis may be present .
    OUTPUT:
    
1 . Interval placement of a right internal jugular central venous catheter with tip in the right atrium . Recommend retraction . 2 . Perihilar vascular congestion .