Leukemia--Chronic Lymphocytic Overview

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What Is Leukemia - Chronic Lymphocytic (CLL)? TOPICS

How many people get chronic lymphocytic leukemia?

The American Cancer Society's estimates for chronic lymphocytic leukemia (CLL) in the United States for 2014 are:

  • About 15,720 new cases of CLL
  • About 4,600 deaths from CLL

CLL accounts for about one-third of all cases of leukemia. It affects mainly older adults. The average age at the time the cancer is found is around 72 years. It is rarely seen in people under the age of 40 and is very rare in children. An average person's lifetime risk of getting CLL is about 1 in 200.


Last Medical Review: 08/05/2013
Last Revised: 11/04/2014