S.B.
M., that is so nice to be thinking about your friend. One thing you might want to do is help her set up a Caringbridge page. It is a free website that she (the host) (or someone she designates) can use to keep everyone updated on medical illnesses, so she doesn't have to answer the same question all the time. People sign up for free and it emails visitors everytime the host updates it. People can write on the website to send messages of cheer. and since you can update whenever you want, it often causes people to remember the person with the illness or get clues of what to do to help.
Another idea would be to get with a good church and pray for your friend.