Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , there are no new interval changes in the lungs . Left - sided chest tubes are unchanged in position . Following thoracocentesis of left loculated pleural effusion , mild to moderate residual left pleural fluid has remained unchanged since ___ . Left lower lung atelectasis is similar in appearance . Minimal right lower lung atelectasis is no different as compared to the prior radiograph . Cardiomediastinal contours are stable .
    OUTPUT:
    
Very insignificant change since ___ . Mild - to - moderate left pleural effusion following thoracocentesis and substantial left lower lung atelectasis persists .