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Correlation between fibulin-1 staining intensity in tumor stroma and ERα (A) or PgR (B) nuclear staining in serous tumors. There was only one ERα-negative ovarian carcinoma, whereas 10 of 16 carcinomas were negative for PgR staining. P values were determined according to the nonparametric Kruskas-Wallis test (A) and the nonparametric Wilcoxon-Mann-Whitney test (B). Bar, median value. Fibulin-1 was not correlated with ERα but was negatively correlated with PgR.
