CNP and chronic myelogenous leukemia, BCR-ABL1 positive: Compared to the FTN group, the splenic tissue sections of the FTN + CML-CNP group showed (1) a significant reduction in the connective tissue elements, hemosiderosis, vascular congestions, and endothelial hypertrophy, (2) a significant increase in the numbers of megakaryocytes, and (3) no differences in the extramedullary hematopoiesis of the erythroid and lymphoid elements (Figure 5D).