In the 18 ALL cases tested in Sudan, a notable excess of MLL-AF4 (17%) and BCR-ABL1 (22%) fusion genes was found.     ///    " An international project was conducted to identify the common acute lymphoblastic leukemia (ALL)-specific fusion genes (ETV6-RUNX1,MLL-AF4,TCF3-PBX1, and BCR-ABL1) in developing countries to provide additional prognostic information at diagnosis. "