These tend to begin to bring us Hope initially. WE then get her active in the things that she loves to do, to be around, to keep her busy so that her mind is therapeutically acting to love of and purpose of living. It takes time and patience on yours and hers will and dedication. And you must believe that there is always plenty of time. It is not good enough just to give her those things, in terms of nutrition and supplements, that we read about.
Every human being is different and the immune system for each is different.
So we need to know what is lacking in her body, in order to prescribe the correct dietary foods and supplements she requires. If you wish, I can give you the names and phone numbers of places to call in the country for information. The third is to continue researching for conventional and alternative methods, and continue asking questions of the many experts and caring people of this list so that we can follow your Mothers progress and be able to support. A Second opinion would also be recommended. I wish I could add more, but i believe I am getting windbagged again.