NCIt definition : A fusion gene that results from a chromosomal translocation t(9;22)(q34;q11) that
fuses the 5' part of the BCR gene between exons 12 and 16 to the 5' side of exon 2
of the ABL1 gene. This rearrangement is associated with chronic myelogenous leukemia,
acute lymphoblastic leukemia and acute myeloid leukemia.;