2) Tell him to pay no attention to "chances of survival."
3) Ask him to work closely with physician(s). Have him write down his questions before he goes in for his visits. Get answers to his questions. Don't be afraid to get second and third opinions.
4) Don't worry alone.
5) Ask about enrollment in clinical trials. His current treatment can often continue and he may be eligible for new treatments. The field is moving very quickly at this time.