食管癌是我国最常见的恶性肿瘤之一，大多数病人来院就诊时已属中晚期，放射治疗是食管癌治疗的主要手段之一，但３０多年来，单纯常规放射治疗食管癌的疗效无明显提高，５ａ生存率一般不超过１０％［１～３］。为提高中晚期食管癌患者的疗效，我院自１９９３年１０月—１... Esophageal cancer is one of the most common malignancies in China. Most patients have been in advanced stage when they come to the hospital. Radiation therapy is one of the main methods for the treatment of esophageal cancer. However, for more than 30 years, the efficacy of conventional radiotherapy for esophageal cancer has not been obvious. Increase, 5a survival rate is generally not more than 10% [1 ~ 3]. To improve the efficacy of patients with advanced esophageal cancer, our hospital since October 1993 -1...