Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable upright chest radiograph is limited mildly by rotation . Moderate pulmonary vascular congestion has mildly worsened . The tip of a left internal jugular central line remains at the brachiocephalic and SVC junction .
    OUTPUT:
    
Slight interval progression of mild - to - moderate pulmonary edema .