I am sure that you will be getting a lot of good advice on thest boards.
While waiting, here is a good place to start:
Metastatic Brain Tumors
The location of your tumor will help determine your treatment. Tumors of that size can easily be handled with Gamma Knife.
Where do you live?
Email me your phone number at:
christine@her2support.org
We can talk.
Hugs and well wishes,
Christine and Joe