初诊 ⅣB期胸段食管鳞癌综合放疗长期生存获益研究

doi:10.3760/cma.j.cn113030-20200925-00483

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Abstract Objective To investigate the value of radiotherapy in patients with stage ⅣB thoracic esophageal squamous cell carcinoma (ESCC) at initial diagnosis. Methods A total of 199 patients with stage ⅣB thoracic ESCC at initial diagnosis (according to UICC/AJCC Eighth Edition Esophageal and Esophagogastric Junction Cancer TNM Staging) who were treated in the Fourth Hospital of Hebei Medical University between January 2010 to December 2016 were recruited. Winthin the whole group,130 patients (65.3%) had distant lymph node metastases alone, 51 cases (25.6%) of solid organ metastases alone and 18 cases (9.0%) of solid organ complicated with distant lymph node metastases. Among them, 16 patients (8.0%) were treated with chemotherapy alone, 50 cases (25.1%) of radiotherapy alone, 133 cases (66.8%) of radiochemotherapy (81 patients treated with concurrent radiochemotherapy and 52 patients treated with sequential radiochemotherapy). The survival rate was calculated by Kaplan-Meier method and the difference was analyzed by log-rank test. Clinical prognosis was assessed by multivariate Cox regression model. Results The median overall survival (OS) of the entire cohort was 12.3 months (95%CI:10.6-15.4m), and the 1-, 2-, 3-and 5-year OS rates were 52.1%, 25.2%, 19.1%, and 11.5%, respectively. Multivariate analysis showed that tumor length, the number of metastatic organs, and treatment modalities were the independent prognostic factors for OS. There was no significant difference in OS between concurrent radiochemotherapy and sequential radiochemotherapy (P=0.955). The OS of patients in the radiotherapy dose of ≥6000 cGy group was significantly longer than that of their counterparts in the 4500-5039 cGy and 5040-6000 cGy groups (both P<0.001). Conclusions For stage ⅣB thoracic ESCC patients at initial diagnosis, tumor length ≤3cm, single organ metastasis, and radiochemotherapy strategy are significantly correlated with longer OS. For stage Ⅳ ESCC patients with good physical status, radiotherapy can be supplemented on the basis of systemic chemotherapy. Concurrent or sequential radiochemotherapy needs to be individualized. If patients are tolerable, radiochemotherapy is recommended to the primary tumor or non-regional metastatic lymph nodes, aiming to prolong the OS of patients.

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	Articles by authors
	Wang Xuefeng
	Cao Feng
	Jing Shaowu
	Wang Jianing
	Shi Hongyun
	Wang Jun

Key words： Esophageal neoplasm/radiochemotherapy Prognosis

Received: 25 September 2020

Corresponding Authors: Wang Jun, Email:wangjunzr@163.com

Cite this article:

Wang Xuefeng,Cao Feng,Jing Shaowu et al. Radiotherapy is beneficial for long-term survival of patients with stage ⅣB thoracic esophageal squamous cell carcinoma at initial diagnosis[J]. Chinese Journal of Radiation Oncology, 2021, 30(6): 543-548.

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http://journal12.magtechjournal.com/Jweb_fszlx/EN/10.3760/cma.j.cn113030-20200925-00483 OR http://journal12.magtechjournal.com/Jweb_fszlx/EN/Y2021/V30/I6/543

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