RecruitingPhase 2Drug trialWoO: Window of Opportunity Trial of Olaparib and Durvalumab in Histologically Proven EOCThis is a multi-center, prospective, open-label, phase II trial. Patients with suspected advanced ovarian cancer planned to undergo diagnostic laparoscopy for histologic confirmation and evaluation of disease spread will be registered into the trial after providing a 1st written informed consent.