Rare disease cost a Nebraska woman her leg. Now she's competing for a national golf championship.

This will be Mandi Sedlak's fourth time competing in the U.S. Adaptive Open, one of the sport's major championships for physically and mentally impaired adults.

In Mandi Sedlak's world, everything seems to fit. Even in her worst moments.

It's true of her golf game, her husband, her career and the prosthetic leg connecting these threads. The Kearney native will be relying on the list's last item when she competes in the U.S. Adaptive Open at Woodmont Country Club in Maryland July 7-9.

It will be the fourth time Sedlak, 45, will compete in the U.S. Golf Association-organized event, which is one...