Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left internal jugular central venous catheter terminates at the superior cavoatrial junction . A right IJ central venous catheter terminates in the right atrium , as before . There is mild pulmonary vascular congestion , improved since prior study . No focal consolidation is seen . Cardiac silhouette is unchanged . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Left IJ central venous catheter terminates at the superior cavoatrial junction . Mild pulmonary vascular congestion .