My best girlfriend since the 4th grade is battling colon cancer that has metastisized to her liver.  She is now embarking on a new treatment called TheraSphere.  Apparently it consists of radiated glass beads that are threaded through directly to the tumors. I'm hoping someone out there knows something about this treatment.  The more I read about her kind of cancer, the more scared I am.  It is considered stage 4 colon cancer and the current survival stats say that only ab...