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Breast cancer is a type of cancer that starts in the breast. It can start in one or both breasts. Cancer starts when cells begin to grow out of control. (To learn more about how cancers start and spread, see What Is Cancer?) Breast cancer occurs almost entirely in women, but men can get breast cancer, too.
Mar 13, 2024 · Key facts. Breast cancer caused 670 000 deaths globally in 2022. Roughly half of all breast cancers occur in women with no specific risk factors other than sex and age. Breast cancer was the most common cancer in women in 157 countries out of 185 in 2022. Breast cancer occurs in every country in the world.
Overview. Breast cancer is the second most common cancer in women after skin cancer. Mammograms can detect breast cancer early, possibly before it has spread. Explore the links on this page to learn more about breast cancer prevention, screening, treatment, statistics, research, clinical trials, and more.
Breast cancer is the most common cancer diagnosed among U.S. women and the second leading cause of death from cancer among women after lung cancer, according to the American Cancer Society. It’s also the most common cancer in the world. See the latest breast cancer facts and statistics.
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Download Section as PDF. About Breast Cancer. Get basic information about breast cancer, such as the different types, where they start, important statistics, and current research topics. Breast Cancer Basics. Get an overview of the different types of breast cancer and where they start. What Is Breast Cancer? What Causes Breast Cancer?
Dec 6, 2022 · Breast cancers are graded on a 1 to 3 scale, with grade 3 cancers being the most different looking and considered the most aggressive. Are your cancer cells fueled by hormones?
