An endoscope apparatus includes a distance information acquisition section (120), a degree-of-relation acquisition section (130), and a notification processing section (140). The distance information acquisition section (120) acquires distance information about the distance between a specific part and a treatment tool. The degree-of-relation acquisition section (130) acquires the degree of relation between the specific part and the treatment tool based on at least one of specific part information and treatment tool information, and the distance information, the specific part information being characteristic information about the specific part, and the treatment tool information being characteristic information about the treatment tool. The notification processing section (140) performs a notification process based on the degree of relation.
