Waiting. You do a lot of it when you have breast cancer. Anytime you’re at the doctor’s office, or in a hospital, guaranteed you’re going to spend some time sitting in a chair with some very well-worn magazines, waiting your turn to get blood drawn, have radiation, see your oncologist.

That’s one kind of waiting. The ho-hum, big yawn, wonder what I should make for dinner tonight waiting. But there’s another kind of waiting, and it’s much more stressful: waiting for test results.

We’...