Figure 1

Staining of Snail1 protein in ovarian samples. a) A normal ovary with negative surface peritoneal cell nuclei (× 200). b) A serous borderline tumour with nuclear staining in some epithelial cells (arrow). Tumour stroma is indicated by asterisk. (× 200). c) A clear cell carcinoma with positive epithelial cell nuclei (arrows) (× 100). Insert (× 400). d) An endometrioid carcinoma with positive nuclear staining both in epithelial and stromal fibroblast-like fusiform cells (arrows) (× 200). Insert (× 400). e) A benign serous cystadenoma with nuclear staining in a subset of endothelial cells (arrows) (× 200). f) A benign serous cystadenoma with focal cytoplasmic staining in epithelial cells (× 200).