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Breast Cancer
Awareness

Know what is normal for you. Learn the signs. Support everyone affected.

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UNDERSTANDING BREAST CANCER

What to know

Breast cancer develops when cells in the breast grow abnormally. It can affect people of different ages and genders. Knowing how your breasts normally look and feel can help you notice changes, but changes do not automatically mean cancer.

Changes to pay attention to

Contact a healthcare professional about a new or unusual breast change, including:

  • A new lump or thickening in the breast or underarm
  • A change in breast size, shape, or appearance
  • Dimpling, redness, scaling, or other skin changes
  • Nipple changes or discharge that is not usual for you
  • Persistent pain in one area

Risk factors

Risk may be influenced by age, family history, inherited gene changes, personal medical history, and other factors. Some people diagnosed with breast cancer have no known risk factors beyond being female and getting older.

  • Share family and personal medical history with a clinician
  • Ask whether genetic counseling is appropriate
  • Remember that risk factors do not predict with certainty who will develop cancer

Screening and next steps

Screening recommendations depend on age, personal risk, and current guidance. Mammograms can help detect breast cancer early, but screening has benefits and limitations.

  • Ask a healthcare professional when to begin screening
  • Discuss whether your family history changes your plan
  • Do not wait for a screening appointment to report a concerning change
Remember: This page is for general education and is not a diagnostic tool. If you notice a new or persistent change, seek advice from a qualified healthcare professional. Follow personalized medical guidance for screening decisions.

TRUSTED SOURCES

Learn from established organizations

These resources provide further information about breast cancer, screening, and support.

↗National Cancer InstituteBreast cancer types, diagnosis, treatment, and research.Visit ↗↗American Cancer SocietySymptoms, risk factors, screening, and support.Visit ↗↗Centers for Disease Control and PreventionBreast cancer basics and screening information.Visit ↗↗Susan G. KomenEducation, support, and breast cancer resources.Visit ↗
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