SOX4 and ovarian carcinoma: In addition, SOX4 was involved in the regulation of EMT processes in carcinogenesis of liver, colon, prostate and breast tissues.10 LncRNA FEZF1‐AS1 was a novel oncogene discovered recently.11, 12 However, the expression levels of SOX4 in epithelial ovarian cancer (EOC) and its correlation with FEZF1‐AS1 have rarely been reported.