There was not any significant differences between different phases of CML (accelerated or chronic) and kind of BCR/ABL fusion (P=0.22), sex (P=0.64) and patients’ age (P=0.15); however, patients’ age in accelerated phase (52.89±16.09 years) was more than the chronic phase (45.07±15.44 years). The gene discussed is BCR; the disease is chronic myelogenous leukemia, BCR-ABL1 positive.