Recent Status of Cancer Treatment Using High Energy Radiotherapy Machine

가속기(加速器)를 이용(利用)한 암치료기술(癌治療技術) 현황(現況)

High energy radiation therapy using accelerator or radioioisotope teletherapy unit is now one of the most important modality in the field dealing with human malignant tumor. It's successful technology overcomes incurable disease to change into curable disease not only by the improvement of clinical technique but also by the development of radiation physics and biology. The author presented the principles of radiation therapy by means of basic knowledge of medicine. physics and biology, described the various ways to improve the result of radiation therapy, and reviewed recent status of radiotherapy field in Korea.