CCAR2 and serous adenocarcinoma: In addition, among the 55 high-grade serous carcinoma patients who received adjuvant chemotherapy, DBC1 expression was significantly associated with poor OS (P = 014, HR; 4.484, 95% CI; 1.362-14.758) and RFS (P = 0.042, HR; 2.471, 95% CI; 1.035-5.899).