[joonbug]

And if things don't turn out as well as the insistent patient expects, hire a lawyer and sue the doctor. With these controversial cases, it won't be hard to find a plaintif's expert to say that the surgery was not indicated.

[Just another Joe]

Whether the surgery was indicated or not if the patient insists on it, signs a waiver stating that they knew the risks and were willing to take them, and can find a doctor willing to do the surgery it should be laughed out of any court.
Notice I say, "should be".