Nikolaos S Salemis1, Ilias Katikaridis2, Andreas Zografidis3. 1. 2nd Department of Surgery, Army General Hospital, 19 Taxiarhon Street, 19014 Kapandriti, Athens, Greece. nikos.salemis@gmail.com. 2. Department of Pathology, Army General Hospital, Athens, Greece. 3. 2nd Department of Surgery, Army General Hospital, 19 Taxiarhon Street, 19014 Kapandriti, Athens, Greece.