BCR/ABL fusion gene is the result of reciprocal translocation of chromosomes 9 and 22 (t [9; 22] [q34; q11]), leading to the generation of Philadelphia chromosome (Ph 1), which is the characteristic feature of the CML for existence in almost 95% patients3, 4. Here, BCR is linked to chronic myelogenous leukemia, BCR-ABL1 positive.