Have you seen Steve Jobs lately? We are literally watching the man be eaten away by cancer. I am not sure if he has much of a choice in the matter.
It's my understanding that pancreatic cancer survival rates vary significantly by type and that Jobs has an (extremely) rare type that has fairly good survival rates.
You should of read this all on your iPhone already, if you can figure out the secret gesture to unlock it, if you want him to come pick you up with his UFO brethren.