Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Chronic Myelogenous Leukemia ?
    ### Response:
    Key Points
                    - Chronic myelogenous leukemia is a disease in which the bone marrow makes too many white blood cells.    - Leukemia may affect red blood cells, white blood cells, and platelets.    - Signs and symptoms of chronic myelogenous leukemia include fever, night sweats, and tiredness.
    