Using Oncomine, we found that KPNA2 is significantly upregulated in ovarian mucinous adenocarcinoma, ovarian endometrioid adenocarcinoma, ovarian clear cell adenocarcinoma, ovarian serous adenocarcinoma, ovarian serous surface papillary carcinoma, and ovarian serous cystadenocarcinoma. This evidence concerns the gene KPNA2 and ovarian clear cell adenocarcinoma.