Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a right - sided pneumohydrothorax , essentially unchanged in size . There is adjacent subcutaneous air in the chest wall which is unchanged . Left linear atelectasis is slightly more prominent . There is stable pleural thickening of the right superior hemithorax . Right - sided chest tube is seen in place again unchanged in position .
    OUTPUT:
    
No clinically significant change since prior study .