Patients affected by advanced epithelial ovarian cancer already submitted to neoadjuvant chemotherapy with evidence of complete/partial response

Diagnostic laparoscopy with a careful exploration of peritoneal cavity: if available a 5 mm "flexible tip" videolaparoscope will be used to explore all peritoneal recesses.For eligible patients,will be placed 3 5mm trocar in standard position for pelvic surgery:cytoreduction will consist in total/radical hysterectomy,bilateral salpingo-oophorectomy,radical omentectomy.If needed pelvic/upper peritonectomy will be performed:in these cases additional trocar can be placed in right or left subcostal spaces. All surgical procedure requested will have be carried out by laparoscopy/robotic or by laparotomy,in case of increased surgical risk or technical impossibility:the case will be registered as laparotomic conversion.At the end of surgical procedures residual tumor will be registered

Intra- and post-operative complication rate of total laparoscopic/robotic interval debulking surgery

time to recurrence

time to last follow up/death