NCIt definition : A chromosomal translocation involving breakpoints within the q34 band on the long
arm of chromosome 7 and the q34.3 band on the long arm of chromosome 9.This rearrangement
is associated with aberrant expression of the NOTCH1 gene and T acute lymphoblastic
leukemia.;
NCIt note : The Atlas of Genetics and Cytogenetics in Oncology and Haematology designates t(7;9)(q34;q34)
as the breakpoints of the TRB-NOTCH1 fusion.;