An extraordinary life experience to have JoeyLiz, and one that will deepen your professional life beyond measure. Not one you'd choose though!
Do you have a strategy for handling it? Or will you just see how you go? If you're stressing about it perhaps prepare a happy place ready to go to in your mind.
I suppose you just have to let go. My thoughts are with you, but you'll be right. That you've chosen to have your treatment where you work speaks volumes for the faith you have in your workmates and colleagues. Big hug sweets. K xox