RB1 and acute lymphoblastic leukemia: Additionally, the fusion transcripts, such as NKK2-1::TRA, CEB128::JAK2, CRLF2::IGH, TAL1::TRA, NBPF26::NOTCH2, CDK6::TAF1D, RB1::RCBTB2, and SEPTIN6::ABL2 were identified in cortical T-ALL cases.