[Problem]To be able to visually recognize a treatment region from an angle different from a direction in which an endoscope is inserted when an inside of a human body is to be observed using the endoscope.[Solving Means]According to the present disclosure, there is provided a control apparatus for a medical system, including a recognizing section that recognizes instruction information for indicating an area whose image is to be captured by an endoscope that is inserted into an inside of a human body through a trocar and captures an image of the inside of the human body, and a control information generator that generates first control information for turning the endoscope about the trocar and second control information for magnifying the area whose image is to be captured by the endoscope, based on the instruction information.