Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are grossly clear . The volume of air in the large , persistent hydropneumoperitoneum has decreased . No pneumothorax . Small , bilateral pleural effusions are unchanged . There is no pneumothorax . Hilar and cardiomediastinal contours are normal .
    OUTPUT:
    
1 . Large hydro pneumoperitoneum has been present since ___ . The volume of gas has decreased since ___ . 2 . Small , bilateral pleural increased from ___ to ___ , subsequently stable .