74.65 歲女性病人因腹痛接受腹部X光檢查如附圖。最可能之診斷為何? (A)子宮肌瘤(uterine myoma) (B)輸卵管卵巢膿瘍(tubo-ovarian abscess) (C)子宮頸癌(cervical cancer) (D)卵巢癌(ovarian cancer)