Rising incidence of breast cancer among female cancer survivors: implications for surveillance
2009

Rising Breast Cancer Rates in Female Cancer Survivors

Sample size: 8875 publication Evidence: moderate

Author Information

Author(s): Soerjomataram I, Louwman W J, Duijm L E M, Coebergh J W W

Primary Institution: Erasmus MC

Hypothesis

Is there an increasing incidence of breast cancer among female cancer survivors over time?

Conclusion

The study found a significant increase in breast cancer incidence among female cancer survivors, particularly for those who had non-breast cancers.

Supporting Evidence

  • The incidence rate of breast cancer among female cancer survivors increased by 30% over 15 years.
  • Non-breast cancer survivors had a significantly worse stage distribution compared to breast cancer survivors.
  • The rate of second breast cancer stage II tripled during the study period.

Takeaway

More women who survived other cancers are now getting breast cancer, so we need to check them more often to catch it early.

Methodology

The study analyzed data from a population-based cancer registry, comparing breast cancer incidence in two cohorts of female cancer survivors diagnosed in different decades.

Potential Biases

Potential biases may arise from the reliance on registry data and the exclusion of certain cancer types.

Limitations

The study only followed patients for 10 years, which may have missed late effects of treatment.

Participant Demographics

The study included female cancer survivors aged 30 and older, diagnosed with primary cancer between 1975-1979 and 1990-1994.

Statistical Information

P-Value

0.005

Confidence Interval

95% CI: 1.03–1.68

Statistical Significance

p=0.005

Digital Object Identifier (DOI)

10.1038/sj.bjc.6604816

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