Which of the following characterizes the BM in the prefibrotic stage (p-CIMF) of CIMF according to the World Health Organization (WHO)?

Question

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The prefibrotic stage of Chronic Idiopathic Myelofibrosis (CIMF), according to the World Health Organization (WHO), is characterized by an increase in granulocytic and megakaryocytic proliferation, the presence of atypical megakaryocytes, and a lack of fibrosis. While there may be a decrease in erythroid precursors, this is not a defining feature of the prefibrotic stage. Therefore, all the options listed (A, B, C, D) collectively characterize the prefibrotic stage of CIMF.

Which of the Following Characterizes the BM in the Prefibrotic