KPNA2 and ovarian clear cell adenocarcinoma: KPNA2 expression was significantly higher in ovarian mucinous adenocarcinoma, ovarian endometrioid adenocarcinoma, ovarian clear cell adenocarcinoma, ovarian serous adenocarcinoma, ovarian serous surface papillary carcinoma, ovarian serous cystadenocarcinoma (Fig. 2 and Table 1).