Chronic Myeloid Leukemia (CML) | Learn About Cancer | American Cancer Society
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Chronic Myeloid Leukemia (CML)

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Chronic myeloid leukemia (CML), also known as chronic myelogenous leukemia, is a type of cancer that starts in the blood-forming cells of the bone marrow and invades the blood. Only about 10% of leukemias are CML.

Learn About Chronic Myeloid Leukemia

Whether you’re worried about developing chronic myeloid leukemia, making decisions about treatment, or trying to stay well after treatment, we can help. Find detailed information in our Detailed Guide, or get a shorter, simpler version in If You Have Chronic Myeloid Leukemia.

Chronic Myeloid Leukemia Causes and Risk Factors

Learn about the causes of chronic myeloid leukemia and what you might be able to do to help lower your risk.

Chronic Myeloid Leukemia Treatment and Support

If you are facing chronic myeloid leukemia, we can help you learn about your treatment options and possible side effects, and point you to information and services to help you get through treatment and live well afterward.

Explore Research

The American Cancer Society is committed to relentlessly pursuing the answers that will save lives from leukemia. In fact, the Society has been a part of nearly every major cancer research breakthrough in recent history.

Get Involved

You can make a difference in the fight against cancer by volunteering your time, participating in an event, or donating to the cause. Find out about all the ways you can get involved today. 

Stories of Hope

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Read inspiring stories of people living with leukemia.

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Online Support Communities

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Facing leukemia?  Connect with others and get support through our online communities, Cancer Survivors Network and

Chronic Myeloid Leukemia in the News

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Read the latest developments in chronic myeloid leukemia.

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