1 Xiao ZF, Yang ZY, Liang J, et al. Value of radiotherapy after radical surgery for esophageal carcinoma: a report of 495 patients. Ann Thorac Surg 2003; 75:325-8.
2 Schreiber D, Rineer J, Vongtama D, et al. Impact of postoperative radiation after esophagectomy for esophageal cancer. J Thorac Oncol 2010; 5:244-50.
3 Chen JQ, Pan JJ, Zheng XW, et al. Number and location of positive nodes, postoperative radiotherapy, and survival after esophagectomy with three-field lymph node dissection for thoracic esophageal squamous cell carcinoma. Int J Radiat Oncol Biol Phys 2012; 82:475-82.
4 Wong AT, Shao M, Rineer J, Lee A, Schwartz D, Schreiber D. The impact of adjuvant postoperative radiation therapy and chemotherapy on survival after esophagectomy for esophageal carcinoma. Ann Surg 2017; 265:1146-51.
5 Yang JS, Zhang WC, Xiao ZF, et al. The impact of postoperative conformal radiotherapy after radical surgery on survival and recurrence in pathologic T3N0M0 esophageal carcinoma: A propensity score-matched analysis. J Thorac Oncol 2017; 12:1143-51.
6 Tao H, Zhou YQ, Yao CY, Gu DY, Chen W, Lu JC. Phase II trial of intensity-modulated radiotherapy concurrent with chemotherapy for postoperative node-positive esophageal squamous cell carcinoma. Oncol Res 2017; 25:1357-62.
7 Mariette C, Balon JM, Piessen G, Fabre S, van Seuningen I, Triboulet JP. Pattern of recurrence following complete resection of esophageal carcinoma and factors predictive of recurrent disease. Cancer 2003; 97:1616-23.
8 Lu JC, Tao H, Zhang YQ, et al. Extent of prophylactic postoperative radiotherapy after radical surgery of thoracic esophageal squamous cell carcinoma. Dis Esophagus 2008; 21:502-7.
9 Cai WJ, Xin PL. Pattern of relapse in surgical treated patients with thoracic esophageal squamous cell carcinoma and its possible impact on target delineation for postoperative radiotherapy. Radiother Oncol 2010; 96:104-7.
10 Liu Q, Cai XW, Wu B, Zhu ZF, Chen HQ, Fu XL. Patterns of failure after radical surgery among patients with thoracic esophageal squamous cell carcinoma: Implications for the clinical target volume design of postoperative radiotherapy. Pols One. 2014; 9:e97225.
11 Liu J, Cai XW, Liu Q, Li HX, Cheng Y, Fu XL. Characteristics of the local recurrence pattern after curative resection and values in target region delineation in postoperative radiotherapy for lower thoracic esophageal squamous cell cancer. Thorac Cancer 2017; 8:630-3.
12 Yamashita K, Watanabe M, Mine S, et al. Patterns and outcomes of recurrent esophageal cancer after curative esophagectomy. World J Surg 2017; 41:2337-44.
13 Hsu PK, Chen HS, Huang CS, et al. Patterns of recurrence after oesophagectomy and postoperative chemoradiotherapy versus surgery alone for oesophageal squamous cell carcinoma. Br J Surg 2017; 104:90-7.
14 Wang YH, Li Z, Ye DM, et al. A retrospective study of pattern of recurrence after radical surgery for thoracic esophageal carcinoma with or without postoperative radiotherapy. Oncol Lett 2018; 15:4033-9.
15 Lu JC, Tao H, Chen ZZ, Qian PD. Prognostic factors of radiotherapy in patients with node-positive thoracic esophageal squamous cell carcinoma after radical surgery. Dis Esophagus 2009; 22:490-5.
16 Lu JC, Kong C, Tao H. Radiotherapy with or without concurrent chemotherapy for lymph node recurrence after radical surgery of thoracic esophageal squamous cell carcinoma. Int J Radiat Oncol Biol Phys 2010; 78:710-4.
17 Lu JC, Tao H, Song D, Chen C. Recurrence risk model for esophageal cancer after radical surgery. Chin J Cancer Res 2013; 25:549-55.
18 Zhou YQ, Ding NX, Wang LJ, Liu W, Jiang M, Lu JC. Salvage radiochemotherapy for lymph node recurrence after radical surgery of esophageal cancer. Medicine 2018; 97:5.
19 Xi M, Xu C, Liao ZX, et al. The impact of histology on recurrence patterns in esophageal cancer treated with definitive chemoradiotherapy. Radiother Oncol 2017; 124:318-24.