Fig. 1From: Extraperitoneal laparoscopic radical cystectomy with intracorporeal neobladder: a comparison with transperitoneal approachA 4 cm infraumbilical skin incision to enter the extraperitoneal space. B An artificial gasbag was inserted and injected with air inflation of 700–1000 ml to expand the extraperitoneal operation space. C The trocars (12 mm and 5 mm) locationBack to article page