The operation concerns the supply of medical equipment to meet the needs of the gastroenterology Department of the General Hospital of Larissa, as this will operate within the framework of the Pathological Sector. The operation concerns the supply, installation and operation of a (1) Central Ultrasound Unit of Endoscopic Gastroenterological Use with a video-endoscope of superior digestive invasive linear, capable of taking biopsies (FNA).