期刊
INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS
卷 81, 期 5, 页码 E853-E859出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ijrobp.2010.12.019
关键词
Extrahepatic biliary tract cancer; Chemoradiotherapy; Survival
资金
- National Cancer Center [NCC-1010480]
Purpose: To evaluate the effect of adjuvant chemoradiotherapy (CRT) on locoregional control (LRC), disease-free survival (DFS), and overall survival (OS) for patients with extrahepatic biliary tract cancer treated with curative resection. Methods and Materials: The study involved 168 patients with extrahepatic biliary tract cancer undergoing curative resection between August 2001 and April 2009. Of the 168 patients, 115 received adjuvant CRT (CRT group) and 53 did not (no-CRT group). Gender, age, tumor size, histologic differentiation, pre- and postoperative carbohydrate antigen 19-9 level, resection margin, vascular invasion, perineural invasion, T stage, N stage, overall stage, and the use of adjuvant CRT were analyzed to identify the prognostic factors associated with LRC, DFS, and OS. Results: For all patients, the 5-year LRC, DFS, and OS rate was 54.8%, 30.6%, and 33.9%, respectively. On univariate analysis, the 5-year LRC, DFS, and OS rates in the CRT group were significantly better than those in the no-CRT group (58.5% vs. 44.4%, p = .007; 32.1% vs. 26.1%, p = .041; 36.5% vs. 28.2%, p = .049, respectively). Multivariate analysis revealed that adjuvant CRT was a significant independent prognostic factor for LRC, DFS, and OS (p < .05). Conclusion: Our results have suggested that adjuvant CRT helps achieve LRC and, consequently, improves DFS and OS in patients with extrahepatic biliary tract cancer. (C) 2011 Elsevier Inc.
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