Rock Doc

I have an elderly aunt who was diagnosed with breast cancer many years ago. She was treated and remained cancer-free for years. But I also had a next-door neighbor who got the same diagnosis. She was treated, but succumbed to the disease not too long after.

My experience is not unique. Those of us who have been around the block a few times know people who have survived breast cancer and people who have died from it. Why the differences in results from person to person?

Part of the reason is that breast cancer is really several different diseases. There are four major types of the disease, with...