Oh, Boy. That's Weird

A 35-year-old Russian man had surgery to remove a "harmless fatty tumor" in his back that had been bothering him for years. When doctors removed the growth, they discovered it was actually the embryo of his unborn twin brother, complete with little arms and legs.

Okay, who can come up with the best one-liner? I'll lead off:

I got you . . . under my skin . . . (I didn't set the bar very high, I know).