50.下列何者不是常見的上皮性卵巢癌? (A)漿液性卵巢癌(serous) (B)黏液性卵巢癌(mucinous) (C)子宮內膜樣卵巢癌(endometrioid) (D)顆粒細胞卵巢癌(granulosa cell)