Here's how doctors describe a "complex tibia fracture," the injury Lindsey Vonn says she has after a horrific Olympics crash.

Lindsey Vonn is back home in the U.S. following a week of treatment at a hospital in Italy after breaking her left leg in the Olympic downhill at the Milan Cortina Games.

After at least four rounds of surgery, Vonn finally received clearance to return home to the United States.