Thanks Christine!!! What you say IS helpful. Her doctor has suggested she go through half of the radiation treatment and then he will see how she's doing but I think that if she decides to do it, she should go through the whole treatment. On the one hand, some doctors say the older you are, the more slowly cancer spreads but honestly, I don't know if this true when it comes to oral cancer. Judging by what I've read, it spreads pretty fast!
These days are a real mess, we're seven children and we feel we aren't of much help with her decision.
Thank you for your answer and I really wish you all the best with your recovery.