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Different Breast Cancer Subtypes Show Different Metastatic Patterns: A Study from A Large Public Database.
Yi Guo1, Cletus A Arciero2, Renjian Jiang3
1Department of Biostatistics and Bioinformatics, Emory University, Atlanta, GA, USA.
Asian Pacific Journal of Cancer Prevention : APJCP
|December 28, 2020
Summary
Breast cancer subtype influences metastasis patterns and survival. Tailoring surveillance and treatment to specific receptor subtypes (hormonal receptor and HER2) can improve patient outcomes.
Area of Science:
- Oncology
- Cancer Research
- Breast Cancer Subtyping
Background:
- Breast cancer receptor status is linked to patient survival.
- The precise relationship between breast cancer subtypes, metastasis sites, and overall survival remains unclear.
Purpose of the Study:
- To investigate the association between breast cancer subtypes and metastasis patterns.
- To determine the impact of metastasis site on overall survival across different breast cancer subtypes.
Main Methods:
- Analysis of 414,528 patients from the National Cancer Database (2010-2013).
- Breast cancer subtyping based on hormonal receptor (HR) and HER2 status.
- Evaluation of patient survival based on metastasis site and subtype.
Main Results:
- HR-/HER2+ breast cancer showed the highest metastasis rate; HR+/HER2- had the lowest.
- Metastasis sites varied by subtype: HR+/HER2+ to bone, HR-/HER2+ to brain, liver, lung, and multiple sites.
- Brain or multiple metastases correlated with the worst overall survival; bone oligometastasis offered better survival than other sites but worse than no metastasis.
Conclusions:
- Breast cancer subtype significantly impacts metastasis rate, site, and overall survival.
- Personalized surveillance and treatment strategies are recommended, tailored to receptor subtype and predicted metastasis risk.
