Display control device, method for operating display control device, and program for operating display control device

A display control device includes: a first display control unit that display, on a display screen, a display region in which a plurality of display frames are arranged and a selection region in which a list of a plurality of thumbnail images is displayed; a first receiving unit that receives an operation of selecting the plurality of thumbnail images to select the plurality of examination images; a second receiving unit that receives an operation of designating an arrangement direction of the plurality of selected examination images in the display region in a state in which the plurality of thumbnail images are selected and before the plurality of examination images are laid out in the plurality of display frames; and a second display control unit that lays out the plurality of examination images in the plurality of display frames in the designated arrangement direction and displays the plurality of examination images on the display screen.