Among which, there were 5 cases with both side-ovarian clear cell carcinoma, onset-age of 32-71 years (median age was 50.6 years) and survival time was 4-240 months (median survival time was 25 months).

• 发病年龄32-71岁，中值年龄50.；6岁，生存时间为4-240个月，中值生存期为25个月。