Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from the same day Swan - Ganz catheter has been removed . Right internal jugular catheter with the tip in the right atrium . Pulmonary vascular congestion has improved . Bibasilar opacities have not substantially changed , asymmetrically worse on the right may reflect infection . No pneumothorax .
    OUTPUT:
    
Right internal jugular catheter tip in the right atrium . No pneumothorax .