- Patients must have clinically and radiographically suspected and previously untreated International Federation of Gynecologic and Obstetrics (FIGO) stage III or IV epithelial ovarian, primary peritoneal or fallopian tube cancer, high grade, for whom the plan of management will include neoadjuvant chemotherapy (NACT) with interval tumor reductive surgery (TRS) who have undergone biopsies for histologic confirmation