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Immunohistochemical of pleural mass revealed EMH.
Notes: Immunohistochemical staining ×200. Scale bar: 200 µm. (A) CD15+; (B) CD20+; (C) CD34+; (D) CD30+; (E) CD38+; (F) CD68+; (G) CD7+; (H) Ki67+ (80–90%); (I) lysozyme+; (J) CK5-; and (K) CK7-.
Abbreviation: EMH, extramedullary hematopoiesis.
