| 摘要 |
PROBLEM TO BE SOLVED: To provide an X-ray system that helps easily keep track of an affected site on the surface of an examinee, or the size and position of an ROI. SOLUTION: A X-ray system has a source of X rays irradiating a subject of measurement with X rays, and a means to irradiate the subject of measurement with visible light showing the visual field of irradiation of X rays with which the subject of measurement is irradiated, a means to display an X-ray image obtained by imaging the subject of measurement by X rays, a means to input information of a diagnosed site to be superimposed on the X-ray image displayed by the display means, a means to project the information of the diagnosed site to the subject of measurement on the basis of the display ratio between the X-ray image of the subject of measurement projected on the display means and the information of the diagnosed site and the visual field of irradiation of X rays with which the subject of measurement is irradiated.
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