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Adjuvant chemoradiotherapy vs adjuvant chemotherapy in locally advanced Siewert type Ⅱ/Ⅲ adenocarcinoma of gastroesophageal junction after D2/R0 resection 被引量:2

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摘要 BACKGROUND For Siewert type Ⅱ/Ⅲ adenocarcinoma of gastroesophageal junction(AGE), the efficacy of adjuvant chemoradiotherapy(CRT) after D2/R0 resection remains uncertain.AIM To determine whether CRT was superior to chemotherapy(CT) alone after D2/R0 resection for locally advanced Siewert type Ⅱ/Ⅲ AGE.METHODS We identified 316 locally advanced Siewert type Ⅱ/Ⅲ AGE patients who were treated with D2/R0 resection at National Cancer Center from 2011 to 2018.57 patients received adjuvant CRT and 259 patients received adjuvant CT.We followed patients for overall survival(OS), relapse-free survival, and recurrence pattern.RESULTS Five-year OS rates of the CRT group and the CT group for all patients were 66.7% and 41.9%(P = 0.010).Five-year OS rates of the CRT group and the CT group for Siewert type Ⅲ AGE patients were 65.7% and 43.9%(P = 0.006).Among the 195 patients whose recurrence information could be obtained, 18 cases(34.6%) and 61 cases(42.7%) were diagnosed as recurrence in the CRT group and CT group, respectively.The local and regional recurrence rates in the CRT group were lower than that in the CT group(22.2% vs 24.6%, 27.8% vs 39.3%).Multivariable cox regression analysis showed that vascular invasion, nerve invasion, and adjuvant CRT were important prognostic factors for Siewert type Ⅲ AGE.CONCLUSION For locally advanced Siewert type Ⅲ AGE, adjuvant CRT may prolong OS and reduce the regional recurrence rate.
出处 《World Journal of Gastrointestinal Oncology》 SCIE 2022年第8期1540-1551,共12页 世界胃肠肿瘤学杂志(英文版)(电子版)
基金 Supported by National Natural Science Foundation of China,No.82072734.
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