if she already has ascites from cancer, it's probably late stage, wonder if she has portal vein thrombosis? you could find it somewhere online regarding a scoring system called CLIP, i think C stands for child-pugh stage and P stands for portal vein thrombosis , i forget what L and I stand for, but anyway that scoring system gives youa guesstimate on prognosis, for transplant there is a MELD calculation but i guess it only works for pts in the states, i would probably spend as much time as poss