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Understanding Breast Changes and Conditions: A Health Guide

Cover image for a National Cancer Institute health guide titled "Understanding Breast Changes and Conditions." The background includes a collage of adults interacting with healthcare professionals.

Did you just receive an abnormal mammogram result, find a lump, or notice a change in your breast? If you did, keep in mind that breast changes are very common. Most abnormal mammogram findings are not cancer. However, it is important to follow up with your doctor after an abnormal test result or if you notice a breast change.

PDF | Web Link

This booklet covers:

  • abnormal and normal breast changes
  • screening tests for breast cancer
  • mammogram results
  • follow-up tests to diagnose breast conditions and breast cancer
  • benign breast conditions
  • precancerous breast conditions
  • ductal carcinoma in situ (DCIS)
  • breast cancer

This guide is designed to be used in consultation with your doctor or nurse. It has medical images, quotes from other women, and questions to ask.

This booklet was last updated in August 2024.

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