preferred_name: Recurrent Polycythemia Vera, Post-Polycythemic Myelofibrosis Phase
preferred_name_lc: recurrent polycythemia vera, post-polycythemic myelofibrosis phase
label: Recurrent Polycythemia Vera, Post-Polycythemic Myelofibrosis Phase
label_lc: recurrent polycythemia vera, post-polycythemic myelofibrosis phase