放射治疗是一个复杂的临床治疗过程。放射治疗的质量保证涉及到放射治疗医生、放射物理人员、放疗技术员及有关机器维修的工程技术人员等各方面的工作。质量保证的目的是使用各种措施,使治疗过程中的每个环节的质量保持准确稳定,并使之 Radiation therapy is a complex clinical treatment process. The quality assurance of radiation therapy involves the radiotherapy physicians, radiological physicists, radiotherapy technicians, and engineers and technicians involved in machine maintenance. The purpose of quality assurance is to use various measures to keep the quality of each link in the treatment process accurate and stable, and to make it