A medical apparatus includes: a first image pickup section that is fixed to a body wall and picks up an image of an inside of a body cavity a recording section that records in advance, in preparation for a case in which a predetermined change occurs in a first image picked up by the first image pickup section, a predetermined image area in the first image or a coordinate for specifying the predetermined image area and a display section that displays, when the predetermined change occurs in the first image, the image area or the coordinate recorded in the recording section to be superimposed on the first image picked up by the first image pickup section.
