Chris Formaker in recovery at Lucile Packard Children's Hospital Stanford following his rotationplasty surgery, a surgical alternative to amputation to help treat osteocarcoma. (Photo submitted to KGO-TV by the Formaker family)
Chris Formaker is seen wearing a prosthetic leg inside a medical room at Lucile Packard Children's Hospital Stanford in this undated image. (Photo submitted to KGO-TV by the Formaker family)
Chris Formaker is seen walking using a prosthetic leg in the hallway of Lucile Packard Children's Hospital Stanford in this undated image. (Photo submitted to KGO-TV by the Formaker family)
Chris Formaker is seen smiling inside a medical room at Lucile Packard Children's Hospital Stanford in this undated image. (Photo submitted to KGO-TV by the Formaker family)
The Formaker family leaves their hotel in Palo Alto, CA, the morning of Chris’s rotationplasty surgery on May 7, 2015. (Photo submitted to KGO-TV by the Formaker family)
Chris Formaker wears a prosthetic leg fitted to his new knee joint as he poses with his former basketball team on March25, 2017. (Photo submitted to KGO-TV by the Formaker family)
ELK GROVE, Calif. (KGO) -- A young boy and Warriors fan is now able to play basketball after doctors performed rare knee surgery on him at Stanford's Lucile Packard Children's Hospital.