Hi Margaret, I had surgery just over 6 weeks ago. Mine was grade 2 tumor, clear margins and nodes but had one removed under the arm.
It will all settle in a few weeks time as I had fluid build up under the arm and had to get it drained a few times. Rest assured that all will go well with radiologist. They are quite good in explaining everything and ask anything you are not sure of. I'm having a CT scan tomorrow and probably start radiation in a couple of weeks time. I, too, am very nervous due to side effects and the whole ordeal of it all. I started taking Tamoxifen 3 weeks ago and all good so far except do feel tired more than before.
Stay positive and always know that you are not alone on this journey. There's always someone, if not many. going through the exact same emotions.
All the best xx