It sounds like the focus here is how to live well enough in whatever time there is remaining. While cures are possible in some cases, it sounds like the focus, at least as presented, is more how she is gong to die. (The fear aspect) What I do know is that in order to bring about the best possible chance of recovery, the fear aspect has to be confronted. Anyone can, hypothetically, die in a given moment. There is nothing different in a cancer diagnoses in this other than a specific kind of death suddenly seems more likely.