entrench (entrenches 3rd person present) (entrenching present participle) (entrenched past tense & past participle) If something such as power, a custom, or an idea is entrenched, it is firmly established, so that it would be difficult to change it. verb.
Leukemia. Leukemias, which are cancers of the bone marrow and blood, are the most common childhood cancers. They account for about 30% of all cancers in children. The most common types in children are acute lymphocytic leukemia (ALL) and acute myelogenous leukemia (AML).rain and central nervous system tumors. Brain and central nervous system tumors are the second most common cancers in children, making up about 26% of childhood cancers. There are many types of brain tumors, and the treatment and outlook for each is different.
What is acute lymphoblastic leukemia? Acute lymphoblastic leukemia (ALL) is a cancer of the white blood cells that normally fight infection. The cells do not grow and develop properly, filling up the bone marrow inside bones, where blood is normally made. ALL is the most common type of childhood cancer, accounting for 35% of all cancers in children. Each year, there are about 2,900 new cases of children and adolescents diagnosed with ALL in the United States alone. Learn more about childhood cancer > Its signs and symptoms resemble other common illnesses, which often leads to other treatments before the leukemia diagnosis is made.