Answer:
This is an old name, for a diagosis, now calls: "Borderline Ovarial Tumor"
Thease are tumors of the ovary who are in between malignant (cancer) and benign.
They tend to be found in wemen of the reproductive age.
Thease days, thr treatment is a concervative surgery - reproduction sperring.
5 years survival approches 100% if the correct diagnosis has made.