PROBLEM TO BE SOLVED: To reduce time and labor taken for work of selecting tomographic images clearly representing imaging findings from a three-dimensional image.SOLUTION: The diagnostic imaging support apparatus includes: an information acquisition means that acquires, relating to a three-dimensional image subject for a diagnosis, information including a finding item of interest from a plurality of finding items and a finding value of the finding item of interest a feature amount calculation means that calculates a feature amount corresponding to the finding item of interest from each of the plurality of tomographic images constituting the three-dimensional image and a graph generation means that generates a graph on the basis of the feature amount calculated by the feature amount calculation means and the finding value.