About 2/3 of HOC cases are recognized only in advanced stages with the lowest five- year survival in carcinomas of female genital tract, so it is necessary to find a new technique to diagnose early stage EOC.

• 三分之二的EOC在初次诊断时便已是晚期，因此EOC一直是五年生存率最低的女性生殖道恶性肿瘤，迫切需要探索新的早期诊断方法。