I know it's hard to wait after all the agonizing over whether to do it or not, but as Annie said, it's important to be strong enough first. I didn't have my thymectomy until August after being dx'd in April because they had to do IVIG and meds to get my strength up. Hang in there and make sure you do get lots of rest - not just sleep but as little use of muscles as possible (I turn into a real couch potatoe when the weakness hits me). Keep us posted how you're doing. We'll be thinking of you.