Information terminal control method and program

According to the control method of the information terminal of the present disclosure, the first display area for displaying the target medical image and the M similar medical images in the NC similar medical images are displayed in order of high similarity with the target medical image. A display screen including the second display area to be displayed is displayed on the display. The second display area includes ND individual areas for displaying M similar medical images. When one instruction for enlarging any one of the M similar medical images is detected, M is displayed in the M ranges displayed in the second display area when one instruction is detected. Corresponding region of interest in each of the M or less similar medical images corresponds to the center of each individual region while maintaining the size of each individual region in the second display region to be the same size for each of the similar medical images or less. Enlarge to fit the position.