Journal
JOURNAL OF SURGICAL RESEARCH
Volume 247, Issue -, Pages 211-219Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jss.2019.09.072
Keywords
AJCC; The prognostic stage group; The anatomic stage group; Triple-negative breast cancer; SEER
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Funding
- National Natural Science Foundation of China [81672817]
- Center for Minimally Invasive Medicine of Fujian Province
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Background: The eighth edition of the American Cancer Joint Committee on Cancer (AJCC) staging system for breast cancer put forward the prognostic stage groups for the first time based on the traditional anatomic tumor-node-metastasis staging system. Our study intends to validate the predictive significance of the eighth edition staging system in triple-negative breast cancer (TNBC) patients. Materials and methods: We collected and accessed 26,589 eligible cases of TNBC from the Surveillance, Epidemiology, and End Results database (2010-2015) and reclassified the patient cohort according to the eighth edition of the AJCC staging system into anatomic and prognostic stages. Results: The results showed that more than half of the patients upstaged in the prognostic stage when compared with the anatomic stage. By comparing with the anatomic stage, the prognostic stage had a higher likelihood ratio and linear trend x 2 values. The prognostic stage group also had higher Akaike information criterion and Bayesian information criterion values than the anatomic stage group. Conclusions: The prognostic staging system in TNBC patients performs more optimistic prognostic stratification and predictability than the anatomic staging system. Moreover, the latest AJCC staging system has a milestone importance to the history of breast cancer staging system. (C) 2019 The Authors. Published by Elsevier Inc.
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