You're exactly right! There is no guarantee of tomorrow for anyone! In fact, if you listen to the conspiracy guys, the end of the world is less than 5 weeks away for all of us!
I agree with your point about family. Most people never stop to think of how precious their family is, until they're faced with something like this. Well said!!!!
All you can do in this life is to try your best to control your outcomes, or as much as is within the realm of your control. The rest, you have to trust it to a higher power.
Have you checked in to places like The Cancer Treatment Centers of America? Those guys are supposedly on the cutting edge of what is possible in terms of Cancer treatment and cures. I've watched their commercials and they look like spacemen, compared to normal doctors.
Alex