Tags: Disease.
Leukemia /luːkiːmiːɑː/ (American English) or leukaemia (British English) is a type of cancer of the blood or bone marrow characterized by an abnormal increase of immature white blood cells called blasts. Leukemia is a broad term covering a spectrum of diseases. In turn it is part of the even broader group of diseases affecting the blood bone marrow and lymphoid system which are all known as hematological neoplasms.Leukemia is a treatable disease.