NCIt definition : A fusion gene that results from a chromosomal translocation t(11;19)(q23;p13.3) which
fuses the 5' half of the MLL gene to most of the MLLT1 gene. This rearrangement is
associated with acute lymphocytic leukemia and other leukemia types.;
NCIt note : The presence of this fusion gene is associated with a poor prognosis.;