Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left internal central jugular venous catheter terminates in the superior vena cava . The lungs appear clear . The mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Tip of catheter projecting over the lower superior vena cava . No evidence of acute cardiopulmonary disease .