A 35-year-old woman with severe dysmenorrhea and prolonged menstrual period due to large uterine fibroids undergoes a hysterectomy. Which of the following structure is the gynecologist most likely to inadvertently ligate during surgery?
(A)internal iliac artery
(B)internal iliac vein
(C)Ovarian artery
(D)Ureter
(E)Uterine vein
Answer: D: Ureter