One last variation of the operation is known as nerve grafting. The surgeon, after cutting the nerves that surround the prostate, reconnects them using a nerve taken either from the leg or from inside the pelvis. This operation is also more involved than the usual prostate operations. It takes longer to perform and may require another incision in the lower leg to find the nerve. The nerve taken from the leg does not control any muscles. It just carries sensation from the outer part of the foot. The nerve taken from inside the pelvis carries sensation to the inner thigh.