In 1981, Dr. Robert Patenaude from Quebec (Canada) was diagnosed with CML. He has gone through a bone marrow transplant in 1982, when he was a second-year medical student. He wrote a book Surviving Leukemia: A Practical Guide (Your Personal Health) . After 30 years, he didn’t relapse. See this article, 30 years of victory against cancer. If you understand French, you can see some videos featuring Dr Robert Patenaude