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The lymph node ratio as an independent prognostic factor for node-positive triple-negative breast cancer.


ABSTRACT:

Background

We aimed to evaluate the prognostic value of the lymph node ratio (LNR) in patients with axillary lymph node-positive triple-negative breast cancer (TNBC).

Methods

The prognostic efficacy was investigated in the first cohort from the Surveillance, Epidemiology, and End Results (SEER) dataset (n=4114) and was further validated in an independent cohort from Fudan University Shanghai Cancer Center (n=417). Patients were classified into low-, medium- and high-risk LNR groups.

Results

Multivariate analysis revealed that the LNR was an independent predictor of overall survival (hazard ratio (HR) for high-risk LNR: 3.24; 95% confidence interval (CI): 2.56 to 4.09) and breast cancer-specific survival (HR for high-risk LNR: 3.57; 95% CI: 2.76 to 4.62) in the SEER population and also for disease-free survival (HR for high-risk LNR: 4.29; 95% CI: 2.24-8.21) in the validation population. Subgroup analysis revealed that patient classification according to the LNR could discriminate among groups of patients with different survival rates based on pathological nodal (pN) staging.

Conclusion

The LNR shows potential for use as an additional prognostic factor for TNBC patients with positive lymph node involvement. Considering the heterogeneity of TNBC, use of the LNR might allow for optimization of the pN staging system and should be considered when making treatment decisions.

SUBMITTER: He M 

PROVIDER: S-EPMC5546527 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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Publications

The lymph node ratio as an independent prognostic factor for node-positive triple-negative breast cancer.

He Min M   Zhang Jia-Xin JX   Jiang Yi-Zhou YZ   Chen Ying-Le YL   Yang Hai-Yuan HY   Tang Li-Chen LC   Shao Zhi-Ming ZM   Di Gen-Hong GH  

Oncotarget 20170701 27


<h4>Background</h4>We aimed to evaluate the prognostic value of the lymph node ratio (LNR) in patients with axillary lymph node-positive triple-negative breast cancer (TNBC).<h4>Methods</h4>The prognostic efficacy was investigated in the first cohort from the Surveillance, Epidemiology, and End Results (SEER) dataset (n=4114) and was further validated in an independent cohort from Fudan University Shanghai Cancer Center (n=417). Patients were classified into low-, medium- and high-risk LNR group  ...[more]

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