What if you could know you would get sick before you ever felt symptoms? If it were a cold, that information is useful. In the case of cancer, it is lifesaving. Find out how your DNA could be used to detect blood cancers before they even develop. Featured experts are Dr. Mrinal Patnaik, Hematologist/Internist/Oncologist at Mayo Clinic; and Dr. Kelly Bolton, Oncologist at Washington University in St. Louis.