Myelofibrosis.
D003937:Diagnosis, Differential; D006412:Hematopoietic Stem Cells / Q000473:pathology*; D006801:Humans; D007951:Leukemia, Myeloid / Q000473:pathology; D011087:Polycythemia Vera / Q000473:pathology; D055728:Primary Myelofibrosis / Q000209:etiology / Q000473:pathology*