She beat a rare liver cancer – and now works with her father to find more cures

Cancer scientist decides to study the tumour that once afflicted his small daughter - and now her work is adding to his project's success

Elana Simon was 10 years old when she started to experience severe pains in her abdomen. For two years, puzzled doctors put forward diagnoses including lactose intolerance, Crohn's disease and stress. It was not until 2008 that they pinpointed the real cause. Elana was suffering from fibrolamellar carcinoma (FLC), a rare, usually lethal, form of liver cancer.

In a way, it was comforting to have a word for what was wrong with me after so much confusion about my condition," Elana told the Observer. Pre-diagnosis, my life was a mixture of discomfort and fear. Now I had something to focus on."