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Histopathological and immunohistochemical features of primary liver PEComa case. Nested, lobular solid structures of monotonous spindle and epithelioid cells with eosinophilic or clear mildly granular cytoplasm (A). Tumor cells show positive cytoplasmic reaction for HMB-45 (B), SMA (C), and CD68 (D). Original magnification ×200.
