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Cancer is a disease in which cells become abnormal and form more cells in an uncontrolled way. With breast cancer, the cancer begins in the tissues that make up the breasts. The cancer cells may form a mass called a tumor. Getting a mammogram (x-ray of the breast) can help find the cancer early. This gives a woman more treatment options and makes it more likely she will survive the cancer.
Breast cancer is a major cause of cancer death in American Indian and Alaska Native women. Even though native women have lower breast cancer rates than white women, they are more likely than white women to be diagnosed at a later stage, when the cancer is more advanced and harder to treat. Also breast cancer rates vary in different parts of the country. For instance, breast cancer rates are highest in Alaska, where native women have rates similar to those of white women. Many native women do not get breast cancer screening, even when it's available to them. The belief that cancer can't be beat is one reason native women might avoid screening.
We do not know how to prevent breast cancer. But there are things you can do to reduce your risk, such as limiting how much alcohol you drink and being physically active.
There also are things you can do to find breast cancer early. Breast cancer screening looks for signs of cancer before a woman has symptoms. Screening can help find breast cancer early when it's most treatable. Two tests are commonly used to screen for breast cancer:
- Mammograms. A safe, low-dose x-ray exam of the breasts to look for changes that are not normal. Starting at age 40, women should have screening mammograms every 1-2 years. Depending on factors such as family history and your general health, your doctor may recommend a mammogram before age 40.
- Clinical breast exam (CBE). The doctor looks at and feels the breasts and under the arms for lumps or anything else that seems unusual. Ask your doctor if you need a CBE.
Regular screening is the best way to find breast cancer early in most women. If you are at higher risk you may need mammograms at an earlier age or more often. Or, your doctor might want to use other tests too. Let your doctor know if you find a change in your breast, such as a lump or nipple discharge that isn't breast milk.
Some women do not get regular mammograms because of cost and lack of insurance. Yet there are free and low-cost programs to help women get breast cancer screening. You can learn more by contacting the National Breast and Cervical Cancer Early Detection Program.
Read more from womenshealth.gov
Breast Cancer Fact Sheet — This fact sheet provides information on why women should be concerned about breast cancer and gives resources for more information.
Explore other publications and websites
Breast Cancer Racial and Ethnic Differences (Copyright © Susan G. Komen Foundation) — Breast cancer is one of the most common cancers among women in the United States. It is the most frequently diagnosed cancer among nearly every racial and ethnic group, including African-American, American Indian/Alaska Native, Asian, Pacific Islander/Native Hawaiian, and Hispanic women. The rates of developing and dying from the disease differ among ethnic groups, and this publication discusses these differences.
Breast Cancer: A Resource Guide for Minority Women — This publication lists organizations, documents, journal articles, and other resources to help minority women affected by breast cancer.
Cancer Health Disparities — This on-line fact sheet gives a brief overview of the currently available data on cancer health disparities among racial and ethnic groups. It also summarizes some NCI research projects and initiatives designed to understand and eventually eliminate these disparities.
How Important Is Ethnicity in Breast Cancer Occurrence, Treatment and Survival? (Copyright © Breast Cancer Network of Strength) — This publication provides statistics on breast cancer rates for different ethnicities. It also discusses the cultural barriers that prevent proper care for each racial background.
Mammograms — This fact sheet explains how screening mammograms differ from diagnostic mammograms. It also explains the benefits and limitations of screening mammography, as well as recommendations for when a woman should begin and how frequently she should have screening mammograms.
Risk Reduction: Native Americans (Copyright © Huntsman Cancer Institute) — This booklet gives tips on how to reduce the risk of all cancers for Native American and Alaska Native women. It also includes risk factors for several types of cancer, including breast, cervical, and skin.
Understanding Breast Changes: A Health Guide for Women — This booklet explains normal, age-related breast changes you may experience throughout your life and how they differ from changes that indicate breast cancer. It also discusses mammograms and maintaining your breast health.
What You Need to Know About Breast Cancer — This information summary is designed for women who have been diagnosed with breast cancer and who are about to undergo treatment.
Connect with other organizations
American Cancer Society
National Breast and Cervical Cancer Early Detection Program, CDC
Native American Cancer Research
Office of Minority Health, HHS
Susan G. Komen for the Cure
Content last updated May 18, 2010.
Resources last updated May 18, 2010.
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