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Schematic presentations of karyotyping and fluorescence in situ hybridization analyses for complex translocations. 15q24 lous (promyelocytic leukemia gene) is indicated by a red bar and 17q21 lous (retinoic acid receptor α gene) is indicated by a green bar. Chr, chromosome; N, normal; der, derivative; R, red signal; G, green signal; Y, yellow; cen, centromere.
