This is an interesting precursor to curing cancer. What will happen to the leukaemia industrial complex? The charities? the specialists? the drugs? Will they all just close shop and go home?
edit: for an example rather than a hypothetical, see polio
edit2: also, if this works, an enormous chunk of doctors, medical researchers, and scientists are going to drop whatever they're doing and frantically attempt to apply this technique to every cancer one can think of