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Immunohistochemical staining of HIF-1α, CAIX, Glut-1 and p27kip1 in endometrioid endometrial carcinoma. Typical patterns are shown: A) perinecrotic HIF-1α expression (10× magnification). B) Diffuse HIF-1α expression (10× magnification). C) Diffuse p27kip1 expression (10× magnification). D) Perinecrotic Glut-1 expression (10× magnification) E) Membrane CAIX expression (20× magnification). Asterisk indicates necrosis.
