leukemia

Any of various acute or chronic neoplastic diseases of the bone marrow in which unrestrained proliferation of white blood cells occurs, usually accompanied by anemia, impaired blood clotting, and enlargement of the lymph nodes, liver, and spleen.

Same as leucemia.

A type of malignancy affecting the blood cells or blood-forming tissues.

Any specific form or type of cancer of the blood-forming tissues

malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer