Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A moderate to large right pleural effusion has increased in size , and is now slightly larger than on the pre-thoracentesis chest radiograph of ___ at 12 : 14 a .m . Adjacent atelectasis is present within the right middle and right lower lobes . Cardiomediastinal contours are stable in appearance . There is no evidence of a left pleural effusion .
    OUTPUT:
    
Re-accumulation of right pleural effusion , now moderate to large in size .