Terrible news. I can only imagine the emotions you're going through. My mother had the same illness at age 59.
The Macmillan nurse was there throughout and was superb. In fact she had such as effect on my sister that she went on to become one herself.
It's difficult to know what to say at a time like this, but all of us will be thinking of you and your wife, and if that helps even a little, it's something.
Mike