食管癌内外照射综合治疗的研究祝淑钗万钧杨天恩①河北医科大学第四医院（石家庄市０５００１１）食管癌系我省高发肿瘤，单纯放疗５年生存率为８．８％～１５％。局部未控或复发致死者占５０％～７０％，本文目的提高局部照射剂量改善局控率，化疗防止远处转移，提高长期... Study on comprehensive treatment of esophageal carcinoma internal and external irradiation Zhu Shuzheng Wan Zheng Yang Tianen 1 The Fourth Hospital of Hebei Medical University (Shijiazhuang 050011) Department of esophageal cancer has high incidence of tumor in our province. The 5-year survival rate of radiotherapy alone is 8.8% to 15%. The local uncontrolled or relapsed deaths account for 50% to 70%. The purpose of this article is to increase the local radiation dose to improve the local control rate, chemotherapy to prevent distant metastasis, improve long-term ...