at the time of chromosome analysis , 5 patients had a history of myelofibrosis or agnogenic myeloid metaplasia , 2 had acute nonlymphocytic leukemia , 2 had a myelodysplastic syndrome , one had polycythemia vera , one had sideroblastic anemia , one had acute lymphocytic leukemia , and one had an undifferentiated myeloproliferative disorder .
C0001815
agnogenic myeloid metaplasia
C0027022
myeloproliferative disorder