An object of the invention is to provide a diagnosis support system, an endoscope system, a processor, and a diagnosis support method which can present useful information to a user. With the diagnosis support system according to an aspect of the invention, since first detection information indicating a detected medicine and/or equipment and second detection information indicating a detected region of interest are assigned to an image for medical use, and images are displayed in a list in an aspect according to the detection information, it is possible for a user to easily grasp the detection information (first detection information and second detection information) and a relationship between the detection information and the image. In this manner, according to the first aspect, it is possible to present useful information (detection information) to a user, and it is possible for a user to efficiently perform diagnosis, report creation, and the like.