73.33歲女性病患因腹痛接受電腦斷層檢查,發現下腹部有一病灶,內有鈣化成分如圖。其診斷為何:(A)子宮肌瘤(uterine myoma)(B)卵巢癌(ovarian cancer)(C)輸卵管卵巢膿瘍(tubo-ovarian abscess)(D)畸胎瘤(teratoma)