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Estimated frequency of specific genotypes of childhood acute lymphoblastic leukemia (ALL) among patients treated in the St Jude Total Therapy Study XV.13 Genetic abnormalities among (A) all but black patients and (B) black patients who are more likely to have TCF3-PBX1 fusion and T-cell ALL (including early T-cell precursor [ETP] ALL) but less likely to have hyperdiploidy. Ph, Philadelphia chromosome.
