有一 32歲男性主訴兩三個月來易倦，腹脹。理學檢查發現體溫正常，結膜蒼白，脾臟在左肋下沿可觸診；血液常規檢查：WBC 120,000/uL，blast/promyelocyte/myelocyte/metamyelocyte/neutrophil/monocyte/eosinophil/ basophil/lymphocyte =1/3/6/10/54/3/15/5/3％，骨髓染色體46XY，t（9；22）in 19/20 metaphases 。目前學界共識第一線治療為何？
hydroxyurea
interferon-alpha
tyrosine kinase inhibitor
allogeneic hematopoietic stem cell transplantation
