No one could have been more surprised than the doctors themselves. They were just hoping to relieve the symptoms of a deadly blood disorder -- and ended up treating the disease itself. In nearly half of the people who took the experimental drug, the cancer became undetectable. Specialists said Revlimid now looks like a breakthrough and the first effective treatment for many people with myelodysplastic syndrome, or MDS, which is even more common than leukemia.
