Hi Kirsten,
I am sorry to hear about your tumor. But I also hope that medicine will have a good solution whcih will defintely be more advanced than 20 years ago. You know I had my brain tumor remived in 1994- and I would most certainly have died of it in 1974.
Plus as Karen said: the side effects of medication are not a must, they are a maybe.
I can imagine that that extra hormonal production wreaks havoc in your life. In hormones, even small dysbalances can have big effects. So let's hope that whatever happens makes your life better