![Figure][1] A 70-year-old man presented with anemia (hemoglobin, 7.2 g/dL), a neutrophilic leukocytosis (neutrophils, 54 × 109/L), and splenomegaly. The bone marrow showed 100% cellularity, with myeloid hyperplasia and grade… Click to show full abstract
![Figure][1] A 70-year-old man presented with anemia (hemoglobin, 7.2 g/dL), a neutrophilic leukocytosis (neutrophils, 54 × 109/L), and splenomegaly. The bone marrow showed 100% cellularity, with myeloid hyperplasia and grade 3 fibrosis (panels A-B; hematoxylin and eosin [A] and reticulin [B
               
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