My family will be praying for you Scott. You can beat this. Research what you can do beyond what doctors say. Explore other medicines, change in diet, change in lifestyle.
I got type 1 diabetes when I was 25 years old. I know its not the same as cancer, but changing a lot of things I mentioned made living with type 1 easier as well as healthier for me in comparison to just eating what I wanted and covering it with insulin.