Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of right - sided central venous catheter terminating at the cavoatrial junction . No pneumothorax or pleural effusion present . Slightly decreased lung volumes compared to prior examination . Otherwise , lungs are clear . Cardiomediastinal and hilar borders are unremarkable .
    OUTPUT:
    
Right Iinternal jugular central venous catheter terminating at cavoatrial junction . No pneumothorax or pleural effusion .