Abstract: A medical system including: a first manipulator inserted into a lumen of a patient, the first manipulator including a first end effector and a first camera configured to capture an image of the first end effector; a second manipulator inserted into an abdominal cavity of the patient, the second manipulator including a second camera; a first operating portion configured to operate both the first and second manipulators; a first selector configured to select one of the first and second manipulators as a first operating target; a controller configured to control the first and second manipulators; and a display configured to display to the operator, wherein the controller includes one or more processors, the one or more processors are configured to: acquire the selected first operating target, acquire a first image from the first or second camera, and transmit the acquired first image so as to be displayed on the display.