Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall port is seen with catheter tip at the RA SVC junction . The lungs are grossly clear . Blunting of left costophrenic angle may be due to small effusion . The cardiomediastinal silhouette is within normal limits . Previously seen free intraperitoneal air is not identified on this semi-erect portable film . Stent partially visualized in the right upper quadrant .
    OUTPUT:
    
Left chest wall port with tip at the RA SVC junction .