目前,食管癌是全球第六大癌症死亡原因。手术治疗仍然是食管癌公认的根治性治疗手段之一,尽管近10年来手术死亡率明显降低,但是术后5年生存率无明显提高,仍维持在20%左右。放射治疗是食管癌治疗的另一重要手段,而单纯放射治疗疗效也不理想,其5年生存率一直维持在8%~10%。食管癌 At present, esophageal cancer is the sixth leading cause of cancer death in the world. Surgical treatment is still one of the accepted radical treatments for esophageal cancer. Although the operative mortality rate has been significantly reduced in the past 10 years, the 5-year survival rate has not improved significantly and remains at around 20%. Radiation therapy is another important treatment of esophageal cancer, and radiotherapy alone is not ideal, and its 5-year survival rate has been maintained at 8% to 10%. Esophageal cancer