ABL1 and chronic myelogenous leukemia, BCR-ABL1 positive: Those techniques, which examine structural and numerical chromosomal aberrations in hematopoietic malignancies and sarcomas, had elucidated a reciprocal translocation between the long arms of chromosomes 9 and 22 (e.g., the Philadelphia chromosome) in chronic myelogenous leukemia (CML) [40-41] and resulted in identifying the oncogenic fusion protein of BCR-Abl [42-44].