Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large right effusion layering posteriorly with obscuration of the right hemidiaphragm . It is difficult to assess for an underlying infiltrate given the amount of effusion . There is mild pulmonary vascular redistribution . The stomach is markedly distended . Left lung is relatively clear .
    OUTPUT:
    
Increased right effusion .