Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An accessed left pectoral MediPort extends into the right atrium . The large right pleural effusion has increased despite the presence of a pigtail catheter at the right base . Bibasilar airspace opacities are grossly stable on the left , but difficult to assess on the right due to pleural fluid . The small left pleural effusion is stable . The heart and mediastinum are within normal limits despite the projection . Upper lung fields remain clear .
    OUTPUT:
    
Increased large right pleural effusion despite the presence of a right basilar pigtail catheter . Stable small left pleural effusion .