The most difficult tasks were connecting the upper thigh to the pelvis, overcoming a lack of three centimeters of shinbone, and controlling the osteomyelitis.
設定的治療計畫中，較困難的部分是髖關節（大腿與骨盆接合的關節）的替換、脛骨三公分缺失的補救與骨髓炎的控制。