After completion of cytoreduction,

After completion of cytoreduction, four drains were positioned in the four abdominal quadrants. HIPEC perfusion was performed with closed technique, and the abdomen was carefully reexplored after HIPEC completion. All patients received intraperitoneal cisplatin 75 mg/㎡ at the temperature of 41.5 ℃ for 60 min immediately after PDS. All patients underwent systemic adjuvant chemotherapy with bevacizumab according to international guidelines . Physical examination, thoracic/ abdominal CT scan and Ca 125 serum level assessment wereall performed every 3 months during the first 2 years and every 6 months thereafter. Primary platinum-free interval (PFI) was defined as the time elapsed between the end ofcarboplatin treatment and first recurrence. Data are given asmedian and range. Categorical variables are reported as absolute values and percentage.