Source:http://linkedlifedata.com/resource/umls/id/C0349640
NCI: A myelodysplastic/myeloproliferative neoplasm characterized by the principal involvement of the neutrophil series with leukocytosis and multilineage dysplasia. The neoplastic cells do not have a Philadelphia chromosome or the BCR/ABL fusion gene. The prognosis is usually poor. (WHO, 2001)