Savas Hirides, Konstantinos Konstantinidis: Robotically-assisted gastric tumor excision (Video Presentation). 16th International Congress of the EAES, Stockholm, Sweden; 06/2008 Savas Hirides, Konstantinos Konstantinidis: Laparoscopic colectomy for cancer. Presentation of 276 patients.. 16th EAES Conference, Stockholm, Sweden; 06/2008 Savas Hirides, Konstantinos Konstantinidis: Robotically-assisted Ventral Hernia Repair (Video Presentation). 30th European Hernia Sociery (EHS) Congress, Seville, Spain; 05/2008