WBR or wait and watch????? pls help

[bestfriend05]

Hello everyone, my mother was recently diagnosed with stage 4 and mets to brain (single lesion) which was removed surgically, she has now been advised to get WBR or wait and watch..!!! can some one pls help us in making this decision, has anyone everbeen in a similar situation before..? we r so confused and stuck, really really dont know what route to take..she is er and pr +ve and her2 -ve, so cannot have herceptin...! what is one to do..???