Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest again demonstrate a large right subpulmonic effusion . There is no relevant change from the prior radiograph . The heart , hilar , and mediastinal contours are normal . No pneumothorax is detected .
    OUTPUT:
    
No relevant change from the prior radiograph with persistent large right subpulmonic effusion . These findings were relayed to Dr . ___ , at 10 : 12 a .m .