Hello Doctor , My sister aged 56 was suffering from urinal infection since last 2 years on and off.. She has been taking medicines for the same . Today her Nephroligist says her left kidney is totally dead non functional and has to be removed within 2-3 months .. My Queries : 1) How come all of a sudden we come to know of this , inspire of regularly visiting a renowned Neohroligist. 2) Can there be any chances of revival of the dead kidney ? 3) If not , then should it be removed / when ? 4 ) what should we do ? Please guide us ? Awaiting an early reply , Thanks and Regards , Santosh Shah