The most important thing in this type of situation is to ask her what she needs. Ask her what she would like you to do. What you have in your mind and what she has in hers are not necessarily the same thing.

Here are some links that might help:
http://www.cancer.org/Cancer/news/Fe...now-has-cancer

http://www.notasparrowfalls.com/2010...cancer-or.html

I hope these help. We are here to support you.