label: Childhood Acute Lymphoblastic Leukemia CNS 1 Toronto Guidelines v2
label_lc: childhood acute lymphoblastic leukemia cns 1 toronto guidelines v2
description: "No clinical signs of CNS involvement and no blasts in CSF. (Childhood cancer staging for population registries according to the Toronto Childhood Cancer Stage Guidelines - Version 2. Cancer Council Queensland and Cancer Australia: Brisbane, Australia; 2021.)"