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Breast cancer happens when cells in your breast grow abnormally and out of control. The cancer cells can spread to other parts of your body.
You're more likely to get breast cancer as you get older.
Breast cancer can occur in people who don't identify as female but have breasts.
Current as of: September 8, 2021
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Sarah Marshall MD - Family Medicine & Kathleen Romito MD - Family Medicine & Douglas A. Stewart MD - Medical Oncology
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