Abstract
In the U.S., the public service of the lung cancer CT Screening was started for the specific person. As for the recommended screening population and radiation dose level, it was determined according to evidence. The task of the Accreditation Council for Lung Cancer CT Screening contributed to radiation dose reduction of the screening greatly. Institution authorizing under plan also requires the image quality management which is a precondition of a radiation dose level. By an information technology according to the International Standard, and a communalized quality control, it is efficient and the comparison verification of the data collected is achieved. This task will serve as an opportunity of new information dissemination.
