passages.id: split_5_test_178_passage
passages.type: progene_text
passages.text: The six optional criteria in the core set consisted of : splenomegaly of any grade ; anisopoikilocytosis with tear - drop erythrocytes ; the presence of circulating immature myeloid cells ; the presence of circulating erythroblasts : the presence of clusters of megakaryoblasts and anomalous megakaryocytes in bone marrow sections ; myeloid metaplasia .