放射治疗中体位是非常重要的 ,每个环节包括从定位、摄片、画野、体位固定直到每天摆位、治疗都必须在同一要求下进行。即使有先进的治疗仪器设备、完整的治疗计划和严格细致的操作 ,灯光野和体表野准确 ,体位不准同样达不到治疗效果 ,甚至前功尽弃。因此对体位要求十分重要 , Radiotherapy position is very important, each link from positioning, radiography, drawing field, position fixed until daily setting, treatment must be carried out under the same requirements. Even with advanced treatment equipment and equipment, a complete treatment plan and strict and meticulous operation, light field and surface field is accurate, the same position not allowed to reach the same treatment effect, or even give up. Therefore, the requirements of position is very important,