Background: The t(12;21)(p13;q22). which fuses ETV6 and RUNX1 genes. is the most common genetic abnormality in children with B-cell precursor acute lymphoblastic leukaemia. The implication of the fusion protein in leukemogenesis seems to be clear. https://www.diegojavierfares.com/top-save-Las-Vegas-Raiders-NFL-12-Pack-Ball-Ornament-Set-p2532-best-super/