label: B Lymphoblastic Leukemia/Lymphoma with t(12;21)(p13.2;q22.1); ETV6-RUNX1
label_lc: b lymphoblastic leukemia/lymphoma with t(12;21)(p13.2;q22.1); etv6-runx1
description: A precursor lymphoid neoplasm which is composed of B lymphoblasts and carries a translocation between the TEL gene on chromosome 12 and the AML1 gene on chromosome 21, (p13.2;q22.1). It results in the production of the TEL-AML1 (ETV6-RUNX1) fusion protein. It has a favorable clinical outcome.