Hello David,
I am glad you found this site.
Doctors have always told me I have a high threshold for pain so, I won't be much help to you there. I can tell you that you will get used to people doing things to your body that you never thought possible. Before cancer, I could not even watch a nurse draw blood without it making me quezy. Now I help them find the right vein for IV's etc.
Keep your sense of humor about you, ask us questions as needed, and most of all fight hard.
Jim