The protein expression of HIF-1α and MMP13 with IHC detection. (A–C) HIF-1α protein expression pattern of fallopian, ovarian cancer, and metastasis lesion. (D–F) MMP13 protein expression pattern of fallopian, ovarian cancer, and metastasis lesion. (G, H) Statistical analysis showed a significant difference in HIF-1α and MMP13 expression. (I) A significant correlation was found between HIF-1α and MMP13 expression in metastasis lesion. *** p<0.001.