These pictures show Francesca's transition from a "normal" seven-year-old, to the gruelling treatment stage where her femur and knee were replaced with a metal rod, and finally back to a healthy teenager who uses her experience to raise money for charity.
She says if more research is dome and awareness is raised, this could be the story for other children too.
More top news
Fine evening but showery rain (heavy & possibly thundery) develops from the south overnight. Kerrie has the detail for the next few days...
Some heavy, and perhaps thundery, outbreaks of rain due for bank Holiday Monday - but the following few days don't look too bad
107 killed in both world wars were remembered today with a new memorial put up in their honour.