Assessment of Quality of Life After Low Anterior Resection During Cytoreductive Surgery for Advanced Ovarian Cancer

Inclusion Criteria: * Those with newly diagnosed ovarian cancer, fallopian tube cancer and primary peritoneal carcinomatosis who plan to undergo cytoreductive surgery and secondary cytoreductive surgery after neoadjuvant chemotherapy. * Patients with PCDS or rectal and sigmoid coloni tumor invasion suspected on the preoperative image and need resection of the tumor and clinical FIGO stage IIIB or higher * ECOG performance status : 0-2 * Age over 18 Exclusion Criteria: * Patient who underwent low anterior resection in the past * Past history of gastrointestinal malignant tumor except to ovarian cancer * Patient who have colostomy * Patient who underwent radiation therapy to abdominal or pelvic cavity * ECOG performance status over 3 * Patient taking opioid analgesics * Patient who have intellectual disability or dementia