Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right internal jugular central venous catheter with tip terminating in the right atrium approximately 2 cm in below the cavoatrial junction . No pneumothorax or pleural effusion . The lungs are well expanded and clear . Mediastinal contours , hila , and cardiac silhouette are normal .
    OUTPUT:
    
Interval placement of a right internal jugular central venous catheter terminating in the right atrium . No pneumothorax .