Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right internal jugular catheter with tip projecting over the mid to low superior vena cava . Severe bilateral pulmonary opacities are again seen . Heart size is again noted to be enlarged .
    OUTPUT:
    
Central venous catheter tip projecting at the level of the mid to low superior vena cava . No pneumothorax is detected on this view .