With definite histological diagnosis of epithelial ovarian cancer and paired benign ovarian tumor in training set, and with definite histological diagnosis of ovarian tumor in validation set.
With sufficient fresh peripheral serum and ovarian samples for DNA methylation testing before with or without after major surgeries.
Aged 18 years or older.
Signed an approved informed consents
Clareo Health | Cell-free DNA Methylation for Epithelial Ovarian Cancer