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  • Cancer A-Z

    Whether you or someone you love has cancer, knowing what to expect can help you cope. From basic information about cancer and its causes to in-depth information on specific cancer types – including risk factors, early detection, diagnosis, and treatment options – you’ll find it here.

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    You can help reduce your risk of cancer by making healthy choices like eating right, staying active and not smoking. It’s also important to follow recommended screening guidelines, which can help detect certain cancers early.

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    Whether you want to learn about treatment options, get advice on coping with side effects, or have questions about health insurance, we’re here to help. We can even find you a free ride to treatment or a free place to stay when treatment is far from home.

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  • Cancer A-Z

Breast Cancer

Whether you or a loved one are worried about developing breast cancer, have just been diagnosed, are going through breast cancer treatment, or are trying to stay well after treatment, this detailed information can help you find the answers you need.

(For information on breast cancer in men, see Breast Cancer in Men.) 

About Breast Cancer

Get basic information about breast cancer, such as what it is and how it forms, as well as the signs and symptoms of the disease.

Breast Cancer Risk and Prevention

Learn about the various risk factors, both genetic and lifestyle-related , as well as prevention methods for breast cancer from the American Cancer Society.

Breast Cancer Early Detection and Diagnosis

Get detailed information about breast cancer detection through tests such as mammograms, ultrasounds, other imaging tests and biopsies.

Understanding a Breast Cancer Diagnosis

Get the information you need to understand your breast cancer diagnosis with details on the various types of breast cancer, grading, hormone status, staging, and prognosis.

Treating Breast Cancer

Learn about your choices for breast cancer treatment depending on the type, stage, and hormone status of the cancer, as well as your age, overall health, and personal preferences.

Breast Reconstruction Surgery

Women who have surgery as part of their breast cancer treatment may choose breast reconstruction surgery. Learn about all your options and what to expect.

Non-cancerous Breast Conditions

Get details on the various types of benign, or non-cancerous, breast conditions and if they may be linked with a higher risk of cancer.

Living as a Breast Cancer Survivor

Learn more about living as a breast cancer survivor including information about next steps, answers to many questions, and tips on follow up care.

Easy Reading

If You Have Breast Cancer

Read this short, simple, guide to help understand the next steps if you or someone you know has just been diagnosed with breast cancer.

Connect with a breast cancer survivor

Reach To Recovery

The American Cancer Society Reach To Recovery® program connects people facing breast cancer – from diagnosis through survivorship – with trained volunteers who are breast cancer survivors. Our volunteers provide one-on-one support through our website and mobile app to help those facing breast cancer cope with diagnosis, treatment, side effects, and more.

This information is possible thanks to people like you.

We depend on donations to keep our cancer information available for the people who need it most.

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Downloadable PDFs

Download free PDFs of our breast cancer information

About and Key Statistics
Causes, Risks, Prevention
Detection and Diagnosis
Understanding Your Diagnosis

Treatment and Side Effects
Breast Reconstruction
Next Steps After Treatment

More Information and Resources

TAKE THE QUIZ
Quiz: How Much do You Know About Breast Cancer?
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Infographic: 7 Tips for Getting a Mammogram
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Understanding Your Breast Pathology Report
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