我国是食道癌的高发区,50%的患者诊断时已是晚期[1],不宜手术治疗,单纯放疗的5年生存率仅为5%[2]常规治疗以手术和放疗为主,但效果均不理想,局部晚期食管癌根治性同步放化疗比单纯放疗具有生存优势,但仍有较高的局部复发和远处转移[3]。多数学者认为化疗加放疗能提高局部晚期鼻 China is a high incidence area of ​​esophageal cancer, 50% of patients are diagnosed late [1], not suitable for surgery, the 5-year survival rate of radiotherapy alone is only 5% [2] conventional treatment with surgery and radiotherapy, but the effect All of them are not ideal. Radical concurrent chemoradiotherapy for locally advanced esophageal cancer has survival advantages over radiotherapy alone, but there are still high local recurrence and distant metastasis [3]. Most scholars believe that chemotherapy and radiotherapy can improve the local advanced nose