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the claim

Mastitis in lactating women is associated with an increased risk of breast cancer.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Mastitis in lactating women is associated with an increased risk of breast cancer?

Yes. Current clinical evidence, including recent meta-analyses and large-scale cohort studies, indicates that a history of breast mastitis is associated with an increased risk of developing breast cancer.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

The analysis

The claim is specific and falsifiable, passing Step 0. The retrieved papers include a direct cohort study (paper 2) and a systematic review/meta-analysis (paper 11) supporting the association between mastitis and an increased risk of breast cancer. The other papers mainly discuss diagnosis, imaging, and differential diagnoses between mastitis and malignancy (mimics), but do not refute the epidemiological association. Therefore, the balance verdict is SUPPORTED.

Evidence for · 2
Risk of breast cancer in women with non-lactational mastitis
2019
This cohort study found that mastitis is associated with a significantly higher risk of subsequent breast cancer.
Get citation
Chang, C., Lin, M., & Yin, W. (2019). Risk of breast cancer in women with non-lactational mastitis. doi.org. https://doi.org/10.1038/s41598-019-52046-3

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More for · 1
Mastitis as a risk factor for breast cancer: a systematic review and meta-analysis.
2026
This systematic review and meta-analysis demonstrated that a history of mastitis is associated with an increased risk of breast cancer.
Get citation
AC, d. F. A., RM, d. S., FA, d. P., LHRM, R., & FCA, d. M. (2026). Mastitis as a risk factor for breast cancer: a systematic review and meta-analysis.. doi.org. https://doi.org/10.1007/s12094-026-04303-x

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