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Six women, many small steps toward breast cancer breakthroughs

In 1971, President Nixon declared war — on cancer. That year he signed the National Cancer Act, which dramatically expanded the National Cancer Institute.

One way the war on cancer was fought back then was by setting up clinical trials to test new treatments. Forty years later, researchers and doctors still depend on these trials — and on patients willing to be a part of them.

So we want you to meet six women — three doctors and three patients. Each in her own way is taking the little steps day-in and day-out that can lead to breakthroughs. Their battlefield is breast cancer, but the treatments you’re about to see may help fight other forms of the disease as well. Need to Know’s medical correspondent Emily Senay reports.