Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new left internal jugular central venous catheter terminates at the cavoatrial junction . There is no pneumothorax . The cardiac , mediastinal and hilar contours appear stable . The lung volumes are low . There is no pleural effusion . A left basilar opacity is less distinct but still visible compared to the earlier prior study .
    OUTPUT:
    
Status post central line placement , tip at cavoatrial junction ; no evidence of pneumothorax .