Qi-Tong Chen1, Li-Yun Zeng1, Deng-Jie Ouyang1, Piao Zhao1, Qiong-Yan Zou1, Lei Pei1, Na Luo1, Wen-Jun Yi2. 1. Department of General Surgery, the Second Xiangya Hospital, Central South University, No. 139 Renmin Road, Changsha, 410011, China. 2. Department of General Surgery, the Second Xiangya Hospital, Central South University, No. 139 Renmin Road, Changsha, 410011, China. yiwenjun@csu.edu.cn.
Abstract
BACKGROUND: Controversy exists around the locoregional management of the primary tumor for breast cancer associated with synchronous ipsilateral supraclavicular lymph node metastasis (sISLM) due to the rarity of the disease and limited available data. This study aimed to compare outcomes of patients in the Surveillance, Epidemiology, and End Results (SEER) database with sISLM who underwent surgical resection and radiation of the primary tumor with those who did not. METHODS: This population-based retrospective study included breast cancer patients with sISLM without distant metastases from 2004 to 2016 in the SEER database. In this study, patients had been stratified by operative management, and propensity score matching (PSM) had been successfully applied. RESULTS: A total of 1172 breast cancer patients with sISLM were included in the study: 863 (73.6%) of patients underwent the primary tumor resection, and 309 (26.4%) patients did not undergo surgery. The median survival time in the surgery group was longer compared to the nonsurgery group in the overall cohort and the PSM cohort. We concluded that the primary tumor resection was associated with improved survival. Subgroup analysis further demonstrated that local surgery was not inferior to radical surgery. CONCLUSION: For selected breast cancer patients with sISLM, surgery is a promising local intervention which may improve the survival.
BACKGROUND: Controversy exists around the locoregional management of the primary tumor for breast cancer associated with synchronous ipsilateral supraclavicular lymph node metastasis (sISLM) due to the rarity of the disease and limited available data. This study aimed to compare outcomes of patients in the Surveillance, Epidemiology, and End Results (SEER) database with sISLM who underwent surgical resection and radiation of the primary tumor with those who did not. METHODS: This population-based retrospective study included breast cancerpatients with sISLM without distant metastases from 2004 to 2016 in the SEER database. In this study, patients had been stratified by operative management, and propensity score matching (PSM) had been successfully applied. RESULTS: A total of 1172 breast cancerpatients with sISLM were included in the study: 863 (73.6%) of patients underwent the primary tumor resection, and 309 (26.4%) patients did not undergo surgery. The median survival time in the surgery group was longer compared to the nonsurgery group in the overall cohort and the PSM cohort. We concluded that the primary tumor resection was associated with improved survival. Subgroup analysis further demonstrated that local surgery was not inferior to radical surgery. CONCLUSION: For selected breast cancerpatients with sISLM, surgery is a promising local intervention which may improve the survival.
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