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Bone marrow biopsy with no evidence of acute leukemia. The bone marrow core biopsy shows hypercellular bone marrow with increased megakaryocytes (a). The bone marrow aspirate smears show maturing hematopoiesis (b) with no increased blasts (c) (a, 200X, H&E stain; b,c, 1000x, May-Grünwald Giemsa stain)
