What Is Breast Cancer?

According to the American Cancer Society, approximately 232,670 new cases of invasive breast cancer will be diagnosed in women in 2014. After increasing for more than two decades, female breast cancer incidence rates decreased by about 2% per year from 1998 to 2007, likely due to the reduced use of hormone replacement therapies as well as improved prevention, detection and treatment efforts.

Side view diagram of healthy breast

Front view diagram of healthy breast

Clinical Trials

Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you have access to the latest, advanced clinical trials.

Open trials refer to studies currently accepting participants. Closed trials are not currently enrolling, but may open in the future.

Why join a clinical trial?

Hear patient stories and learn about the goals of clinical trials, questions to ask before joining a trial, and why joining a trial is crucial to advancing cancer treatment: Clinical trials patient resources

Clinical trial eligibility flowcharts

Eligibility flowcharts map clinical trials to specific types of cancers to determine if a participant is eligible for the particular clinical trial. View all breast cancer eligibility flowcharts at the Stanford Cancer Institute.

Before beginning treatment, ask your doctor about any clinical trials you should consider.

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