Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of a right - sided central venous catheter which terminates at the right cavoatrial junction . No pneumothorax or pleural effusion identified . Minimal bibasilar , right greater than left atelectasis identified . Otherwise , lungs are clear . Cardiomediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Right - sided central venous catheter . No pneumothorax .