I attach a link to her website. It shows a short video which will tell you all about it much more clearly than I can:
www.save5.org.uk/video-appeal.html
She has been ill for many years and has put all her efforts into trying to help other people in need of organ donation. I know some people don't want to register to donate, but if you think you could, please, please take the two minutes now and do it.