Talk:Kichimura Washuu/@comment-29514836-20161205115749/@comment-10733658-20161206224411

^ Exactly.

Furuta has Rize's kagune, so the surgery had to have happened during the months when Kanou had her imprisoned. We don't know exactly when it happened, other than knowing that Kaneki was the first experiment.

In terms of the success rate of the surgery, keep in mind that Furuta would have the highest potential for success out of every possible subject. He was a half-human to begin with, and Rize's half-brother with the same ghoul father. So their genetics would be very close to begin with.