Fig. 3From: Epithelioid sarcoma in the chest wall: a case report and literature reviewTumor cells are epithelioid and arranged in a large sheet-like pattern with microcalcification in hematoxylin and eosin staining (a, b). CD34 is strongly and diffusely expressed in the cytomembrane (c) and cytokeratin (AE1/AE3) is also expressed in the cytoplasm of most tumor cells (d)Back to article page