1. A radiographic image processing method of processing a group of radiographs including a moving-state radiographic image consisting of a plurality of radiographs representing a moving state of an object, comprising: a region specifying step, of specifying a region of interest for a plurality of radiographs included in the group of radiographs; and an outputting step of outputting diagnosis assisting information for assisting diagnosis based on the group of radiographs in accordance with the region of interest specified in said region specifying step.