Cancer doctor becomes cancer patient

      |Dr. Lukas Wartman was diagnosed with the very cancer he'd devoted his life to studying -- a disease with no known cure. Then, some of his fellow doctors at Washington University School of Medicine, in St. Louis, convinced him to try something that had never been done before, making Wartman a very important patient. He talks to Charlie Rose, along with his colleague, oncologist Dr. John DiPersio.

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