Maybe they will live, is the real answer...that is a Fact. Also for a 13yr. old child the side effects are likely to be lifelong, also a well known fact. Just inhaling the freakin crap is toxic when you make it for the patient, I mean look at all the garb you have to wear just to prepare it. Do you " honestly " think you would not even consider an alternative for you child? Like you this get's me pretty fired up and I do not want to sound un-diplomatic but if you know what I do about this you can certainly know this woman is very scared for her son. It is a 50/50 shot as is chemotherapy agents...Nothing is for sure with any type of medicine.