Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New right IJ central catheter terminates at the superior cavoatrial junction or the superior right atrium . The heart is of normal size with normal cardiomediastinal contours . The lungs are clear without focal or diffuse abnormality . Previously seen bibasilar atelectasis has improved . No pleural effusion or pneumothorax . Osseous structures are unremarkable .
    OUTPUT:
    
New right IJ catheter terminates at the superior cavoatrial junction / right atrium . No pneumothorax .