Philadelphia chromosome (Ph)-negative myeloproliferative neoplasms (MPN) [essential thrombocythemia (ET), polycythemia vera (PV), and primary myelofibrosis (PMF)] vary in morphological features, disease presentation, and, most importantly, clinical outcome.[1][1] The World Health… Click to show full abstract
Philadelphia chromosome (Ph)-negative myeloproliferative neoplasms (MPN) [essential thrombocythemia (ET), polycythemia vera (PV), and primary myelofibrosis (PMF)] vary in morphological features, disease presentation, and, most importantly, clinical outcome.[1][1] The World Health Organization (WHO)
               
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