Introduction to CML Medically Reviewed On: July 21, 2009 Webcast Transcript: ANNOUNCER: About 4,500 people are diagnosed with chronic myeloid leukemia or CML in the United States each year and over 20,000 people are estimated to be living with the disease. This cancer of the white blood cells usually occurs in adults over the age of 40. GWEN NICHOLS, MD: W..