_:vb50941375 "An acute lymphocytic leukemia characterized by too many B-cell lymphoblasts (immature white blood cells) in the bone marrow and blood."^^ . _:vb50941375 . _:vb50941375 "url:https://www.cancer.gov/publications/dictionaries/cancer-terms/def/b-cell-acute-lymphoblastic-leukemia"^^ . _:vb50941375 . _:vb50941375 . _:vb50941375 .