The Sheltons could undergo multiple surgeries every year in which doctors broke Robyn 's leg in several places and then tried to lengthen it .
Doctors could amputate and allow doctors ' daughter to wear a prosthetic .
The Sheltons could undergo multiple surgeries every year in which doctors broke Robyn 's leg in several places and then tried to lengthen it , or they could amputate and allow their daughter to wear a prosthetic .