Leukemia begins when healthy blood cells change and grow out of control. Acute lymphocytic leukemia (ALL) is a cancer of immature lymphocytes. Lymphocytes are a type of white blood cell involved in the body's immune system. ALL is also called acute lymphoblastic leukemia or acute lymphoblastic leukemia.

Patients with acute lymphoblastic leukemia (ALL) need to be treated and cared for carefully even after active treatment has ended. All treatments for acute lymphoblastic leukemia (ALL) can cause side effects or changes to your body. For many reasons, people do not experience the same side effects even when given the same treatment for the same type of cancer.

Treatment to relieve symptoms is an important part of the care and treatment of acute lymphoblastic leukemia (ALL) You should talk to your doctor about your symptoms, including any new symptoms or changes in symptoms.

Acute leukemia (ALL) is a type of cancer of the blood or bone marrow. Acute lymphocytic leukemia usually enters the bloodstream quickly. It can involve other parts of the body, such as the lymph nodes, liver, spleen, brain and spinal cord (central nervous system), and testicles.