Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Chronic Myelomonocytic Leukemia ?
    ### Response:
    Key Points
                    - Chronic myelomonocytic leukemia is a disease in which too many myelocytes and monocytes (immature white blood cells) are made in the bone marrow.    - Older age and being male increase the risk of chronic myelomonocytic leukemia.
    