It is desired to provide a technology which is capable of reducing glare to be felt by a user for an output image by an HDR monitor in a case where an image is caused to be displayed at the HDR monitor on the basis of an HDR image.There is provided a medical system including a light source configured to irradiate a subject inside a living organism； an imaging unit configured to image the subject coaxially with an optical axis of the light source； and a control unit configured to control the light source and the imaging unit, in which the control unit performs control so that a signal compliant with high-dynamic range standards is output by adjusting gradation for a first image signal acquired by the imaging unit.
