Looks pretty cleanly done, and plus it looks like he has a prosthetic leg too... so probably a medical procedure as opposed to those wierd BME guys.
What I'm wondering is why the fuck he kept his balls?!!? If I were him I'd just say "Fuck it... they're no good to me now... slice n' dice doc." But, I guess he just wanted his balls.
XD XD hahahahaa No seriously I think you need them for the hormones they produce.