preferred_name: Polycythemia Vera, Post-Polycythemic Myelofibrosis Phase
preferred_name_lc: polycythemia vera, post-polycythemic myelofibrosis phase
label: Polycythemia Vera, Post-Polycythemic Myelofibrosis and Myeloid Metaplasia Stage
label_lc: polycythemia vera, post-polycythemic myelofibrosis and myeloid metaplasia stage