_:vb50940497 . _:vb50940497 . _:vb50940497 . _:vb50940497 . _:vb50940497 "url:https://ncit.nci.nih.gov/ncitbrowser/pages/concept_details.jsf"^^ . _:vb50940497 "A lymphoblastic lymphoma that has_material_basis_in T-cells and that occurs during childhood."^^ . _:vb50940497 .