Laparoscopic views during the surgery. (a) The left ovary was swollen to 10 cm (arrows). (b) The uterine was firmly adhered with the left adnexa (arrows) and retroperitoneum (arrowheads). (c) The left ureter (arrows) was identified visually by moving the catheter manually back and forth from outside the body. (d) The left ovarian cyst was excised, leaving the normal part of the ovary (arrows).