How do you approach a metastatic juvenile granulosa cell tumor of the ovary in a premenopausal patient following a hysterectomy and USO with the remaining ovary in situ?

In this patient who does not desire fertility (as she is s/p hysterectomy), I would recommend completion surgery with USO, omentectomy, removal of any residual peritoneal disease, assessment of lymph nodes and removal if abnormal. Would recommend platinum-based chemotherapy after surgery and reserve...