Transplantation Unit: Multiple organ harvesting, living donor renal transplantation, deceased donor renal transplantation, perioperative treatment of ESRD patients and allograft recipients. Vascular access training (AVF, AVG, tunneled central catheters, jump grafts). Department of General Surgery: Full Participation in on-duty and on-call shift program of the Greek National Health System managing the whole spectrum of surgical emergencies. Surgical training in open, minimally invasive, breast, endocrine vascular and thoracic surgery.