NCIt definition : A fusion gene that results from a chromosomal translocation t(9;22)(q34;q11) that
fuses the extreme 5' portion of the ABL1 to part of the 3' portion of the BCR gene.
This rearrangement is associated with chronic myelogenous leukemia, acute lymphoblastic
leukemia and acute myeloid leukemia.;
NCIt note : The ABL1/BCR gene may or may not be expressed. (Atlas of Genetics and Cytogenetics
in Oncology and Haematology);