Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right - sided pigtail catheter is again seen . There has been interval decrease in the amount of opacity at the right CP angle compatible with decrease in the empyema . There continues to be some volume loss / infiltrate in the right lower lobe . There is no significant change in the right upper lobe and left lung the cardiac and mediastinal silhouettes are unchanged
    OUTPUT:
    
Decreased fluid in the right pleural space