食管癌传统放疗方法的疗效多年来无明显提高,放疗后患者的5年生存率仅为8%～16%[1],且正常组织损伤较大。近年来,三维适形放射治疗(3DCRT)后程加速超分割放射治疗食管癌已取得了明显的效果。我院从2004年3月至2008年3月采用3DCRT后程加速超分割放射治疗中晚期食管癌患者63例,并 The efficacy of traditional radiotherapy for esophageal cancer has not improved significantly over the years. The 5-year survival rate of patients after radiotherapy is only 8% -16% [1], and the damage of normal tissues is larger. In recent years, three-dimensional conformal radiation therapy (3DCRT) late accelerated hyperfractionation radiotherapy esophageal cancer has achieved remarkable results. Our hospital from March 2004 to March 2008 using 3DCRT late accelerated hyperfractionation radiotherapy in 63 patients with advanced esophageal cancer and