What are the chances of triple-negative breast cancer recurring after a double mastectomy and chemotherapy?
Even with a double mastectomy and chemotherapy, triple-negative breast cancer can still recur. Around 40 percent of people with stage 1 to 3 TNBC experience recurrence, typically within the first three to five years Show Full Answer
What are the chances of triple-negative breast cancer recurring after a double mastectomy and chemotherapy?
Even with a double mastectomy and chemotherapy, triple-negative breast cancer can still recur. Around 40 percent of people with stage 1 to 3 TNBC experience recurrence, typically within the first three to five years after diagnosis.
The recurrence risk depends on several factors at the time of diagnosis:
* Whether cancer was found in nearby lymph nodes
* Age at diagnosis (higher risk if diagnosed before age 35)
* Stage of cancer
* Tumor size
* Body mass index
Understanding recurrence after mastectomy
About 5 in every 100 women who undergo mastectomy will experience a local recurrence within 10 years. If no cancer is detected in lymph nodes, the risk is about 6 percent within five years. However, if cancer is found in nearby lymph nodes, the risk increases to around 25 percent.
Breast cancer can return in different ways—locally near the original site, regionally in nearby lymph nodes, or distantly in other parts of the body (metastasis).
Keep in mind that most people treated for TNBC never experience a relapse. Your oncologist can help you understand your personal risk factors based on your specific situation.
October 27, 2025
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