Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right internal jugular central venous catheter has been placed . It s tip terminates at the cavoatrial junction . An endotracheal tube terminates about 6 cm of the carina , somewhat more proximal than seen previously . The lung volumes remain low . The lungs appear clear . There is no pleural effusion or pneumothorax . The cardiac , mediastinal and hilar contours appear stable .
    OUTPUT:
    
Status post central line placement . Tip terminating at the cavoatrial junction . No pneumothorax identified .