1.   An early example is the drug Gleevec, which has achieved great success in treating chronic myelogenous leukemia, a cancer in which white blood cells run amok.

2.   A doctor at the Dana-Farber Cancer Institute said the most common of the four leukemia types for elderly adults is chronic lymphocytic leukemia.

3.   Chronic myelogenous leukemia is an uncontrolled proliferation of a type of white blood cell in the blood stream.

4.   Chronic myelogenous leukemia, or CML, is characterized by an excessive growth of white blood cells caused by a chromosomal defect that produces a damaging enzyme.

5.   Conventional drugs failed to slow his rampaging chronic lymphocytic leukemia, or CLL.

6.   Eighteen years ago, Doreen LeMoult of Darien, Conn., discovered that she had chronic myelogenous leukemia in a phase that could be rapidly fatal.

7.   Gleevec generated headlines several years ago after dramatically helping late-stage chronic myeloid leukemia patients while producing relatively few side effects.

8.   He had chronic lymphocytic leukemia, a family spokesman said.

9.   He gave up that job late last year after being diagnosed with chronic myelogenous leukemia in July.

10.   Hunt was diagnosed eight years ago with chronic lymphocytic leukemia.