Fig. 1

Skin incision and port placement for the radical prostatectomy (RP). A Skin incision (dash line) of open RP in right-sided renal transplantation; B Laparoscopic port placement in general population; C Laparoscopic port placement in right-sided renal transplantation; D Robotic port placement in general population; E–G Robotic port placement in right-sided (E), left- sided (F), and both sides renal transplantation (G). Symbols: 12C,12 mm camera port; 12P, 12 mm laparoscopic port; 5P, 5 mm laparoscopic port; 8R, 8 mm robotic port, 12A, 12 mm assistant port, black arrow; direction of port modification/adjustment