Randomized clinical trial performed in woman with epithelial primary ovarian cancer (stage FIGO II, III and IV) or tumor recurrence. A cytoreductive surgery will be perform in all of the patients include in the trial, and it will be assign at randomization:
* HIPEC-arm: cytoreductive surgery and hyperthermic intraperitoneal chemotherapy with paclitaxel (175 mg / m2) for 60 minutes at a temperature of 42-43º degrees; followed by postoperative systemic IV chemotherapy with carboplatin (AUC=6) and paclitaxel (175 mg/m2) for 6 cycles.
* No HIPEC-arm: Cytoreductive surgery followed by postoperative systemic IV chemotherapy with carboplatin (AUC=6) and paclitaxel (175 mg/m2) for 6 cycles.
