To provide a medical program for generating desired images, a medical information provider apparatus in a service centre send to a communication processor in a hospital as a client through a network a plurality of images each corresponding to a parameter setting value as the processing result of the program by differing the parameter setting values. The communication processor selects an image desired among a plurality of images and sends to the medical information provider apparatus the selection. The medical information provider apparatus then provides the communication processor in the hospital with a program having parameter settings corresponding to the selection by the client, so as to install in an image reconstructing device to execute.
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