Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs LeukemiaUpdated: 2017-06-13OverviewLeukemia is cancer of blood-forming tissues, including bone marrow. Many types exist.SymptomsLeukemia usually starts in white blood cells, hindering the body's ability to fight infection. Symptoms include fatigue, infections, weight loss, and easy bleeding or bruising.TreatmentsTreatment may include chemotherapy, radiation, and stem cell transplant. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use