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- W2291214554 abstract "Clinical utility of HER2 assessed by immunohistochemistry in patients undergoing curative resection for gastric cancer Xuechao Liu,1,2,* Pengfei Xu,1,3,* Haibo Qiu,1,2,* Jianjun Liu,1,2 Shangxiang Chen,1,2 Dazhi Xu,1,2 Wei Li,1,2 Youqing Zhan,1,2 Yuanfang Li,1,2 Yingbo Chen,1,2 Zhiwei Zhou,1,2 Xiaowei Sun1,2 1Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, 2Department of Gastric and Pancreatic Surgery, 3Department of Thoracic Surgery, Sun Yat-sen University Cancer Center, Guangzhou, People’s Republic of China *These authors contributed equally to this work Purpose: We sought to determine whether human epidermal growth factor receptor 2 (HER2) and vascular endothelial growth factor (VEGF) expression were independent prognostic factors for gastric cancer (GC).Patients and methods: A total of 678 consecutive patients with GC undergoing curative surgery between October 2010 and December 2012 had resected tissue examined for HER2 and VEGF expression using immunohistochemistry. Immunohistochemical expression of HER2 was analyzed using the DAKO-HercepTest™ and scored according to published reports. VEGF expression was calculated by multiplying the score for the percentage of positive cells by the intensity score. We defined positive expression as a score of 1+, 2+, or 3+, and a score of 0 was defined as negative expression. We compared these results to clinicopathological characteristics, including overall survival (OS).Results: Multivariate analysis revealed that HER2 expression was independently associated with shorter OS (hazard ratio [HR], 1.55; 95% confidence interval [CI], 1.10–2.18; P=0.01) and with higher tumor–nodes–metastasis stage (HR, 3.88; 95% CI, 2.67–5.64; P" @default.
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- W2291214554 date "2016-02-01" @default.
- W2291214554 modified "2023-09-27" @default.
- W2291214554 title "Clinical utility of HER2 assessed by immunohistochemistry in patients undergoing curative resection for gastric cancer" @default.
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- W2291214554 doi "https://doi.org/10.2147/ott.s100979" @default.
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