Circulating Tumor DNA as an Early Marker of Recurrence and Treatment Efficacy in Ovarian Carcinoma

Inclusion Criteria:

1. Patient with suspicion of ovarian or tubar epithelial cancer, or peritoneal primitive carcino-ma, without previous treatment for ovarian malignancy.
2. Indication of preoperative and/or adjuvant chemotherapy.
3. Age ≥ 18 years old.
4. Patient affiliated to the ''National security'' regimen or beneficiary of this regimen
5. Signed written informed consent prior to any screening procedures being performed

Non inclusion Criteria:

1. Contraindication to surgical assessment.
2. Pathological diagnosis of mucinous carcinoma.
3. History of concurrent malignancy or malignancy within 5 years before study enrollment, (with the exceptions of adequately treated non melanomatous skin cancer or curatively re-sected noninvasive cervical cancer).
4. Assessment by the investigator as being unable or unwilling to comply with the require-ments of the protocol.
5. Patient in urgency situation, adult under legal protection, or unable to give his consent.

Exclusion Criteria after histological exam:

Any diagnostic that is not ovarian or tubar epithelial cancer, or peritoneal primitive carcinoma.