The role of salvage radiotherapy in re-treatment of esophageal squamous cell carcinoma with regional lymph node oligo-recurrence after surgery
	    		
		   		
		   			
		   		
	    	
    	 
    	10.3760/cma.j.cn113030-20200112-00003
   		
        
        	
        		- VernacularTitle:挽救性放疗在术后区域淋巴结寡复发食管癌再程治疗的作用
 
        	
        	
        	
        		- Author:
	        		
		        		
		        		
			        		Chengcheng FAN
			        		
			        		
			        		
			        			1
			        			
			        		
			        		
			        		
			        		
			        		;
		        		
		        		
		        		
			        		Hong GE
			        		
			        		;
		        		
		        		
		        		
			        		Ke YE
			        		
			        		;
		        		
		        		
		        		
			        		Yanan SUN
			        		
			        		;
		        		
		        		
		        		
			        		Xiaoli ZHENG
			        		
			        		;
		        		
		        		
		        		
			        		Zhuo FENG
			        		
			        		;
		        		
		        		
		        		
			        		Peizan NI
			        		
			        		;
		        		
		        		
		        		
			        		Shuai SONG
			        		
			        		;
		        		
		        		
		        		
			        		Yougai ZHANG
			        		
			        		
		        		
		        		
		        		
		        		
		        			
			        		
			        		Author Information
			        		
		        		
		        		
			        		
			        		
			        			1. 郑州大学附属肿瘤医院 河南省肿瘤医院放疗科 450008
			        		
		        		
	        		
        		 
        	
        	
        	
        	
            
            
            	- From:
	            		
	            			Chinese Journal of Radiation Oncology
	            		
	            		 2020;29(5):332-336
	            	
            	
 
            
            
            	- CountryChina
 
            
            
            	- Language:Chinese
 
            
            
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		        	Abstract:
			       	
			       		
				        
				        	Objective:To evaluate the role of salvage radiotherapy in the re-treatment of patients with regional lymph node oligo-recurrence after radical surgery for esophageal squamous cell carcinoma.Methods:Clinical data of patients diagnosed with thoracic esophageal squamous cell carcinoma treated with radical surgery and developed regional lymph node oligo-recurrence ( n=1-3) from January 2013 to January 2016 were retrospectively analyzed. A total of 74 cases with intact clinical data were extracted for analysis. The survival analysis was performed by Kaplan-Meier method. Group comparison was conducted by Log-rank method. Results:The median overall survival (OS) after recurrence was 9(2.5-43) months, and the median progression-free survival time (PFS) was 4(1-33) months. There were 47 cases in the salvage radiotherapy group and 27 cases in the non-radiotherapy group, and the objective response rates were 77%(36/47) and 30%(8/27), respectively. Patients in the salvage radiotherapy group had better OS ( P=0.042) and PFS ( P=0.01) compared with their counterparts in the non-radiotherapy group. Among the patients who received salvage radiotherapy, involved field irradiation and elective nodal irradiation yielded similar OS ( P=0.963) and PFS ( P=0.599), and patients treated an irradiation dose ≥ 60Gy had better OS ( P=0.001) and PFS ( P=0.001) compared with those with dose< 60Gy. Conclusions:Local salvage radiotherapy is an effective treatment of esophageal squamous cell carcinoma with regional lymph node oligo-recurrence after radical surgery. Salvage radiotherapy has better OS and PFS compared with non-radiotherapy. Prospective clinical studies should be carried out to standardize the target and dose of radiotherapy, and to further clarify the effect of radiotherapy.