How to cure a rare cancer?

hello everyone i have discovered that i cant wipe my bum propperly so i have tried to look it up on the internet but nothing seems to come up. I suffer from a very rare desaesy... syphylocianilly wich is when you are unable to do things that need your hand to be used with.
If anyone has a cure to it please go to this website..... https://nbcf.org.au/ and comment

P.S. also comment if u can wipe your own bum