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Find out more about types of cancer, the treatments available, and what this means for you.
Concerned about breast cancer and inherited risk? »
Primary breast cancer is breast cancer that has not spread beyond the breast or the lymph nodes (glands) under the arm.
Sometimes breast cancer can come back after treatment (recurrence).
Anyone who has had breast cancer in one breast is at slightly higher risk of developing a new primary breast cancer.
Usually secondary breast cancer is diagnosed some time after the primary breast cancer, but sometimes it is diagnosed at the same time.