6.關於下列某些具有臨床病理特徵的原發部位不明轉移癌(metastatic cancer of unknown primary site)之治療，何者為非？
(A)Extragonadal germ cell tumor syndrome: cisplatin-based chemotherapy
(B)Peritoneal carcinomatosis in women: surgical cytoreduction + chemotherapy
(C)Osteoblastic bone metastasis in men: prostatectomy + palliative radiotherapy
(D)Carcinoma in an axillary lymph node in women: modified radical mastectomy + adjuvant chemotherapy
(E)Squamous cell carcinoma in upper cervical lymph nodes: definitive radiotherapy + chemotherapy