Another three cases of AML, one case of AML-ml, one case of AML-M4b-CR1, one case of MDS-EB-1, one case of MDS-SLD, one case of MM, one case of AL, and one case of B-ALL produced small numbers of or no CD19+/CD235a+ cells at the time of sample collection (data not shown). The gene discussed is CD19; the disease is myelodysplastic syndrome.