放射治疗所引起的正常组织损伤与患者个体情况、组织器官的基础功能、照射总量、分次量和分割方法有关 ,而容积效应也同样是一个极为重要的影响因素。笔者将综述肺癌放射治疗中所累及的重要脏器放射损伤的容积效应 ,为临床优化治疗方案提供部分依据。容积效应是指正常组织放射 The normal tissue damage caused by radiation therapy is related to the patient’s condition, the basic function of tissues and organs, the total amount of irradiation, the weight of fractionation and the method of segmentation, and the volume effect is also an extremely important factor. The author will review the lung cancer radiotherapy involved in the important organ radiation injury volume effect, to provide some basis for the clinical optimization of treatment options. Volume effect refers to the normal tissue radiation