一、术中放疗的历史及现况二、术中放疗的临床意义及其对病人的选择三、术中放疗设置及其实施四、关于术中放疗的放射物理技术五、关于术中放疗剂量的考虑六、胃癌的术中放疗七、胰腺癌的术中放疗八、胆道癌的术中放疗 First, the history and status of intraoperative radiotherapy Second, the clinical significance of intraoperative radiotherapy and its choice of patients Third, the setting and implementation of intraoperative radiotherapy Fourth, on radiological techniques for intraoperative radiotherapy Five, on the dose of intraoperative radiotherapy Sixth, intraoperative radiotherapy for gastric cancer Seven, intraoperative radiotherapy for pancreatic cancer eight, intraoperative radiotherapy for biliary tract cancer