Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen are changes of talc pleurodesis , with Pleurx and pigtail catheters at the right lung base . There is a persistent moderate multiloculated right pleural effusion , with adjacent compressive atelectasis . Residual air in the right chest wall . Left lung is clear . Heart size is top normal . Radiodense material projects over the right upper quadrant , reflecting chemoembolization material from treated hepatocellular carcinoma .
    OUTPUT:
    
Persistent right pleural effusion , with pigtail and Pleurx catheters in appropriate position .