(((QueenAccountant)))

-everything you're feeling is normal and justified. I would be worried and scared too, but it's sounds like you're in good hands though. It's true you shouldn't worry prematurely but it hard to do sometimes.
"I think the thing that makes me the maddest about this whole situation is that apparently nobody wants to address the pain I am in" < Sorry I don't know how to quote one sentence. Are you having physical pain? They should be helping you with this. I pray this surgery will go very well and hope it's not cancerous.