No, patients do not have this choice because no licensed physician would give them said choice. People here are talking as if BMT were this mundane thing that you can just decide you want to do some afternoon.
I'm not really sure what's the point you're trying to make. Bone marrow transplants are not some unproven treatment. Stem cell research generally seems troubling to some politicians; this specific application is probably not approved but I don't see any reason why it shouldn't be in the near future.