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For medical questions, we encourage you to review our information with your doctor.
Chronic Myelomonocytic Leukemia (CMML)
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- Supportive Therapy for the Patient with Chronic Myelomonocytic Leukemia
- Chemotherapy for Chronic Myelomonocytic Leukemia
- Growth Factors for Treating Chronic Myelomonocytic Leukemia
- Radiation Therapy for Chronic Myelomonocytic Leukemia
- Surgery for Chronic Myelomonocytic Leukemia
- Stem Cell Transplant for Chronic Myelomonocytic Leukemia
- General Approach to Treatment of Chronic Myelomonocytic Leukemia
- References: Chronic Myelomonocytic Leukemia
- If You Have Chronic Myelomonocytic Leukemia (CMML)
How Is Chronic Myelomonocytic Leukemia Staged?
Doctors often group cancers into different stages based on the size of the tumor and how far the cancer has spread from the original site in the body. The stage of a cancer can help predict the outlook for a cancer. Often, the stage of a cancer is used to decide which treatment is needed.
Chronic myelomonocytic leukemia (CMML) is a disease of the bone marrow. It cannot be staged by looking at the size of a tumor like some other cancers. Instead, CMML is split into 2 groups based on cell counts in the blood and bone marrow:
- CMML-1: Blasts make up less than 5% of white cells in the blood and less than 10% of the cells in the bone marrow.
- CMML-2: Blasts make up 5% to 20% of the white cells in the blood, or they make up 10% to 20% of the cells in the bone marrow.
The American Cancer Society medical and editorial content team
Our team is made up of doctors and oncology certified nurses with deep knowledge of cancer care as well as journalists, editors, and translators with extensive experience in medical writing.
Last Revised: October 24, 2017
American Cancer Society medical information is copyrighted material. For reprint requests, please see our Content Usage Policy.
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