The cancer, as others said, is much more common. But data over it is about children who born that way, with undescended testicles. I don't think it's known about cancer chances increase when adults puts them inside of the body, since it's a very unusual thing. Depending of your age and family cancer ...

Happy Holidays for you too! Hope next year will bring you a big victory. Stay safe!

Oh god, those answers are what makes me take a step back. It's better to live with natural hormones, I guess....