Chronic Myelomonocytic Leukemia

Chronic myelomonocytic leukemia (CMML) is a type of cancer that starts in blood-forming cells of the bone marrow and invades the blood. It affects mainly older adults.

About Chronic Myelomonocytic Leukemia
Causes, Risk Factors, and Prevention
Early Detection, Diagnosis, and Staging
Treating Chronic Myelomonocytic Leukemia (CMML)
After Treatment

Quick Guides

After a Leukemia Diagnosis

If you’ve just been diagnosed with leukemia, this short guide can help you know what to expect. 

This information is possible thanks to people like you.

We depend on donations to keep our cancer information available for the people who need it most.

More Resources

Doctor Discussing Chart with Patient
Understanding Your Diagnosis
Woman reading a magazine while getting chemo infusions in a treatment center.
Treatments & Side Effects
smiling female cancer patient in head scarf
Survivorship: During & After Treatment
man helping woman out of car
Programs & Services

News & Stories

a dropper drops colored liquid into test tubes in lab
Latest Cancer News
two women clasping hands
Stories of Hope
female researcher in goggles looking into a microscope in lab
ACS Research News