Prayers for your wife and for you. Take care of yourself too, the stress of this can make you ill and your wife needs you.
What I would do.
FECO Medical Cannabis oil. As much as she can take, 60 grams in 90 days or more.
B17 find a Dr that can give proper dose.
Intravenous Vit C.
Turmeric, cayene and black pepper mix, do a search on those 3 together.
Baking soda
No sugar or processed foods, no syrups (read labels). Low carb. Green smoothies with turmeric and ginger.
HealthWell Foundation will extend grants