important role in the precise tumor radiotherapy. This study was to report the accelerator QA
experience of joining the Radiation Therapy Oncology Group (RTOG). Methods: The QA
protocols and the report forms were customized by following the RTOG requirements. The
daily, monthly and annual quality assurance items were created according to the American
Association of Physicists in Medicine (AAPM) TG40 and AAPM TG142. Each senior physicist …