Fig. 4From: Alpha-fetoprotein-producing ovarian clear cell adenocarcinoma with fetal gut differentiation: a rare case report and literature reviewTumor cells were positive for GPC3, AFP, and EMA. The tumor cells showed weak positive staining for HNF-1beta, while focally positive for cytokeratin (CK)20 and Cdx2 and negative for CK7, × 400Back to article page