An information processing apparatus acquires a request for re-imaging or a request for additional imaging. The request for re-imaging is information for requesting imaging for acquiring a second medical image as re-imaging for a previously acquired first medical image. The request for additional imaging is information for requesting imaging for additionally acquiring a third medical image. The information processing apparatus attaches, to the second medical image, information for identifying the first medical image as information for identifying the second medical image when the request for re-imaging is acquired and attaches, to the third medical image, information for identifying the third medical image when the request for additional imaging is acquired.