Prognostic Impact of Postoperative Lymph Node Metastases After Neoadjuvant Chemoradiotherapy for Locally Advanced Squamous Cell Carcinoma of Esophagus: From the Results of NEOCRTEC5010, a Randomized Multicenter Study.

新辅助治疗 放化疗 食管切除术 存活率 阶段(地层学) 食管癌 淋巴血管侵犯 放射治疗 食管鳞状细胞癌 淋巴 倾向得分匹配 回顾性队列研究 放射科 比例危险模型 外科
作者
Xuefeng Leng,Wenwu He,Hong Yang,Yuping Chen,Chengchu Zhu,Wentao Fang,Zhentao Yu,Weimin Mao,Jiaqing Xiang,Zhijian Chen,Haihua Yang,Jiaming Wang,Qingsong Pang,Xiao Zheng,Hui Liu,H. Yang,Tao Li,Xu Zhang,Qun Li,Geng Wang,Teng Mao,Xufeng Guo,Ting Lin,Mengzhong Liu,Jianhua Fu,Yongtao Han
出处
期刊:Annals of Surgery [Lippincott Williams & Wilkins]
卷期号:274 (6) 被引量:21
标识
DOI:10.1097/sla.0000000000003727
摘要

Objective To determine the prognostic impact of pathologic lymph node (LN) status and investigate risk factors of recurrence in esophageal squamous cell carcinoma (ESCC) patients with pathologic complete response (pCR) after neoadjuvant chemoradiotherapy (NCRT). Summary background data There are no large-scale prospective study data regarding ypN status and recurrence after pCR in ESCC patients receiving NCRT. Methods The NEOCRTEC5010 trial was a prospective multicenter trial that compared the survival and safety of NCRT plus surgery (S) with S in patients with locally advanced ESCC. The relationships between survival and cN, pN, and ypN status were assessed. Potential prognostic factors in patients with ypN+ and pCR were identified. Results A total of 389 ESCC patients (NCRT: 182; S: 207) were included. Patients with pN+ in the S group and ypN+ in the NCRT group had decreased overall survival (OS) and disease-free survival (DFS) compared with pN0 and ypN0 patients, respectively. Partial response at the primary site [hazard ratio (HR), 2.09] and stable disease in the LNs (HR, 3.26) were independent risk factors for lower DFS, but not OS. For patients with pCR, the recurrence rate was 13.9%. Patients with distant LN metastasis had a median OS and DFS of 16.1 months and 14.4 months, respectively. Failure to achieve the median total dose of chemotherapy was a significant risk factor of recurrence and metastasis after pCR (HR, 44.27). Conclusions Persistent pathologic LN metastasis after NCRT is a strong poor prognostic factor in ESCC. Additionally, pCR does not guarantee a cure; patients with pCR should undergo an active strategy of surveillance and adjuvant therapy.
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