Inclusion Criteria:

- Patients with FIGO stage I-IV epithelial ovarian cancer after staging or debulking
surgery

- Patients who is planned to receive (prospective cohort) ro who received
(retrospective cohort) adjuvant chemotherapy with paclitaxel and carboplatin

- Patients who have signed approved informed consent

Exclusion Criteria:

- Uncontrolled medical disease

- Active infectious disease

- Previous pelvic radiation therapy

- Previous chemotherapy (prospective cohort)

- Patients with disease which can cause neutropenia

- Patients who will receive other targeted therapy or immunotherapy during adjuvant
therapy (prospective cohort).

- Pregnant or lactating woman