A group of myeloid neoplasms that includes the following: chronic myeloid leukemia, BCR-ABL1 positive; polycythemia vera; essential thrombocythemia; primary myelofibrosis; chronic neutrophilic leukemia; chronic eosinophilic leukemia, not otherwise specified; and myeloproliferative neoplasm, unclassifiable. [from
NCI]