12-year old Sophia was surprised by staff at the Willis Knighton Proton Therapy Center after completing her treatment. As a child she was diagnosed with scoliosis, a serious type of spinal injury, which meant she had to wear a brace almost all the time. Things got worse when her paediatrician found a large tumour on her spine and referred her for surgery. This actually happened more than once. After that, she was referred to the Willis Knighton Proton Center, and the rest is history. You can read more at the original Youtube page, here.