Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A double - lumen central venous catheter has been removed and instead , a stent passing along the distal left brachiocephalic and mid upper portions of the superior vena cava is observed . Surgical clips project over the right upper quadrant . The heart is normal in size . The mediastinal and hilar contours appear unchanged . The lungs appear clear . There are no pneumothorax . The lateral view suggests perhaps a trace pleural effusion on the right . Bony structures are unremarkable .
    OUTPUT:
    
Suspected trace right - sided pleural effusion . Central venous stent .