Acute kidney failure. To find cause.

She is on chemo with tdm 1 kadcyla 200mg since feb 2016. Comleted 6 cycle on 03 june 2015. Previosly she was diognose ca breast in sep 2011 & operated in sep 2011. 8 cycle of chemo & radio 25 cycle finish on 20 may 2012. Secondary finds in bone in june 2014. Treated with anasthrajol, zoledronic acid upto march 2015. In march 2015 diagnose with livermat, and started with trastuzumb 440 mg, everolomus 10mg, aromasin 25mg from march 2015 to jan 2016. In dec 2015 pet ct shows adnexa involvment. From feb 16 she is on kadcyla tdm1. In 09 may 2016 pet ct done and dr says she is 75% remove from ca but there are some multiple in brain and rt of whole brain done from 17 may to 28 may 2016. Now she is on akute kidney failure from 20 june 2016 and admited in hospital. Creatine is 7.9 . Dialysis done on 24 june. Doctors trying to find cause.