Development of Lung Cancer Screening and the Future Perspective in Japan

Abstract

Objectives. To consider the future perspective of lung cancer screening strategy in Japan. Methods. Present lung cancer screening strategy in Japan and literatures were reviewed. Results. (1) It was strongly recommended to strengthen the anti-smoking movement because lung cancer mortality is increasing linearly as a result of the weak anti-smoking movement in Japan. (2) Lung cancer screening by conventional method has been carried out since 1987, and the number of examinees is about 7.5 millions annually. It is necessary to improve the level of quality control more for the present screening strategy to be accepted by the public. (3) Lung cancer screening using CT is gradually spreading in Japan, although it is not recommended officially. It is advised to try to carry out screening using CT to prepare for the future. Conclusion. To strengthen the anti-smoking movement, to continue conventional X-ray screening, and to try to implement CT screening on trial or study bases are needed to improve the lung cancer strategy in Japan.