PROBLEM TO BE SOLVED: To provide a control method and a program of an information terminal allowing a user to easily checking concurrent diseases in past cases similar to an image as an object to be diagnosed in the case that there is a high possibility of multiple diseases.SOLUTION: Thumbnail images of similar cases received from a case search system (300) are displayed on a case display area (710) displayed on a display (101) of an information terminal (10), a disease name list which includes a list and the number of disease names of the similar cases are displayed in a disease name list display area (730). When a plurality of interest areas is set by the user at starting a search, the display mode is changed from the display of disease name list to a mode in which concurrent disease names can be displayed.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】複数の疾患に罹患している可能性が高い場合に、診断対象画像に類似した過去症例における併発疾患の確認を容易にする。【解決手段】情報端末(10)のディスプレイ(101)に表示される症例表示領域(710)に症例検索システム(300)から受信した類似症例のサムネイル画像を表示させ、病名リスト表示領域(730)に、類似症例の病名の一覧と件数とから構成される病名リストを表示させる。検索開始時にユーザにより複数の関心領域が設定された場合、病名リストを併発病名が表示可能なモードに移行させる。【選択図】図2