Back toMedically reviewed in March 2021
The difference between HER2-positive and HER2-negative breast cancer is related to the amount of a certain protein. Watch this video to learn how this affects treatment.
Advertisement
What Does it Mean to be HER2 Positive vs. HER2 Negative?
Featured Content
video
What to Ask Your Doctor About Early-Stage Breast Cancer
If you've been diagnosed with HER2-positive breast cancer, talk to your doctor about what it means for your treatment options.
slideshow
6 Steps to Take After a Breast Cancer Diagnosis
A diagnosis can be paralyzing. Follow these oncologist-recommended tips to move forward.
slideshow
Weight, Social Ties and Other Factors That Increase Your Risk of Breast Cancer Relapse
Find out which factors can raise your risk of cancer recurrence, plus how to lower your risk when possible.
article
Key Statistics Show Racial Disparities in Breast Cancer
How race can impact a person’s experience with breast cancer, including risk, age of diagnosis, and treatment outcomes.