Doctors can use the test results to learn more about the type of cancer a child has and which treatments are most effective. Following concerns expressed in the 1990s about long-term side effects, or "late effects," research into late effects on life expectancy and quality of life continued - and is still ongoing. Childhood acute lymphoblastic leukemia also called ALL or acute lymphocytic leukemia is a cancer of the blood and bone marrow. This type of cancer usually gets worse quickly if left untreated. Enlarge. Bone anatomy. Bone is made up of compact bone, spongy bone and bone marrow. Depending on the geographic context, childhood cancer represents. 5.6 of newly diagnosed cancers, however, these estimates are often based on population-based data. The National Cancer Institute has recognized that for AYA children, adolescents, and young adults, cancer is a leading cause of disability and death. This population has unique needs and until we fully understand these needs, we will not be able to provide optimal care. The aim of this study was to understand oneself,