PROBLEM TO BE SOLVED: To improve the efficiency and operability of retrieval of medical information.SOLUTION: An object acquisition request unit 21 transmits, to a server 100, a request for acquisition of plural objects showing characteristics of a hierarchy designated by a user among four hierarchies of a patient hierarchy, a test hierarchy, a series hierarchy and an object hierarchy. An object receiving unit 23 receives plural objects transmitted from the server 100 according to the acquisition request. A representative moving image generation unit 25 generates moving images based on the received plural objects. A display unit 27 displays the generated moving images.
