1) Wait for all test results before worrying.
2) Reduce your own stress over the matter.
3) Research, research, research.
4) Always be sure to let your loved one know that you are there for them & support them every step of the way.
5) Try to keep lines of communication open.
6) Don't forget to do some "normal" activities both with and without the sick family member.
What other tips do you have?