Fig. 2
a–c Laparoscopic pelvic exploration: a multiple grayish-brown nodular tissues which was about 1.5 cm in diameter were observed in the pelvic cavity; b a lobulated grayish-brown mass with a diameter of about 9cm was observed in the posterior upper part of the prostate gland and seminal vesicle at the pelvic floor; 2c pelvic wound after mass excision