Gynaecology & Obstetrics True about border line ovarian tumors is all except A Approximately 10 % of epithelial tumors of ovary are classified as borderline tumors. B High rate of recurrence following surgery. C Well differentiated tumors. D Do not invade the basement membrane. 💡 Explanation True about border line ovarian tumors is all except ✓ Correct Answer: B. High rate of recurrence following surgery.