PROBLEM TO BE SOLVED: To provide a technology for deriving and presenting support information in searching a lesioned part and the like in an image only by simple calculation without using a lot of measurement information.SOLUTION: An information processing method includes: acquiring a tomogram image of a subject specifying a part in the tomogram image corresponding to a part alienated from a reference point in the subject by a regulated distance and generating and outputting a synthetic image synthesized with information indicating the part specified in the tomogram image.SELECTED DRAWING: Figure 1