TC or BEP in Treating Patients With Ovarian Malignant Sex Cord-Stromal Tumors

Inclusion Criteria: * Age≤65 years; female, Chinese women; * Histologically confirmed ovarian stromal tumor, including the following cell types: * Granulosa cell tumor * Granulosa cell-theca cell tumor * Sertoli-Leydig cell tumor (androblastoma) * Steroid (lipid) cell tumor * Gynandroblastoma * Unclassified sex cord-stromal tumor * Sex cord tumor with annular tubules * Newly diagnosed, stage IIA-IVB disease; * Has undergone initial surgery (for diagnosis, staging, or cytoreduction) within the past 8 weeks. * May or may not have measurable residual disease. * Laboratory tests: WBC≥4×10(9)/L, NEU≥2×10(9)/L, PLT≥80×10(9)/L, serum bilirubin≤ 1.5 times the upper limit of normal, transaminase≤ 1.5 times the upper limit of normal, BUN, Cr≤ normal * Performance status: Karnofsky score≥60; * Provide written informed consent. Exclusion Criteria: * With severe or uncontrolled internal disease, unable to receive surgery and/or unsuitable for chemotherapy; * History of organ transplantation, immune diseases; * History of serious mental illness, a history of brain dysfunction; * Drug abuse or a history of drug abuse; * Suffering from other malignancies; * Concurrently participating in other clinical trials * Unable or unwilling to sign informed consents; * Unable or unwilling to abide by protocol.