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  1. Home
  3. Trends In Breast Cancer Incidence By Estrogen Receptor Status In The United States, 2004-2020.
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  3. Trends In Breast Cancer Incidence By Estrogen Receptor Status In The United States, 2004-2020.

Related Experiment Video

Systems Biology of Metabolic Regulation by Estrogen Receptor Signaling in Breast Cancer
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Systems Biology of Metabolic Regulation by Estrogen Receptor Signaling in Breast Cancer

Published on: March 17, 2016

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Trends in breast cancer incidence by estrogen receptor status in the United States, 2004-2020.

Chenxi Jiang1, Angela N Giaquinto1, Ahmedin Jemal1

  • 1Surveillance and Health Equity Science, American Cancer Society, Atlanta, Georgia, USA.

International Journal of Cancer
|July 10, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

Breast cancer incidence trends shifted, with estrogen receptor-positive (ER+) cancer slowing its rise and estrogen receptor-negative (ER-) cancer stabilizing its decline. The COVID-19 pandemic era saw reductions in both ER+ and ER- breast cancer rates.

Keywords:
breast cancerestrogen receptorincidence trend

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Area of Science:

  • Oncology
  • Epidemiology
  • Public Health

Background:

  • Divergent trends in breast cancer incidence by subtype have been observed in the US.
  • It was unclear if these trends persisted into the COVID-19 pandemic era.

Purpose of the Study:

  • To examine breast cancer incidence rates by estrogen receptor (ER) status from 2004 to 2020.
  • To assess trends in ER-positive and ER-negative breast cancer incidence, particularly during the COVID-19 pandemic.

Main Methods:

  • Utilized high-quality, population-based cancer registry data covering 83% of the US population.
  • Analyzed breast cancer incidence rates by ER status in women aged 20-84 years from 2004 to 2020.

Main Results:

  • ER-positive cancer incidence slowed its annual increase from 2009-2019 and decreased 10.2% from 2019-2020.
  • ER-negative cancer incidence stabilized its decline from 2012-2019 and decreased 6.0% from 2019-2020.
  • Trends varied slightly across demographics, with young, Asian/Pacific Islander, and Hispanic women showing steady increases in ER-positive cancer until 2019.

    • Conclusions:

    • The stabilization of ER-negative cancer decline and slowed rise of ER-positive cancer suggest a potential shift in breast cancer burden.
    • The COVID-19 pandemic was associated with reductions in both ER-positive and ER-negative breast cancer incidence.
    • Further research is needed to understand the pandemic's long-term impact on breast cancer survival and mortality.