I am afraid solution for a cancer so serious as this (let's not forget Steve Jobs died of this inspite of arguably endless resources) is not in information search. She needs a good doctor aside from her oncology team.

I have lost a colleague who sat 6 ft away from me at work, and 6 months younger. The end comes pretty fast. My heartfelt sympathies.

There is one variant which can be cured. Jobs had that actually. If she got that and it did not metastise she may survive. It is her best hope.