1. An imaging apparatus comprising: an imaging means for imaging a subject to obtain an image data set representing the image of said subject; a storage means for storing said image data set; a display means for displaying the image represented by the image data set; a region extracting means for extracting a region of a predetermined range from each of a plurality of images represented by a plurality of image data sets obtained by a series of operations of the imaging means and stored in the storage means; an enlarging means for enlarging the regions of the predetermined range extracted from said plurality of images; and a display control means for displaying said enlarged regions of the predetermined range on the display means.