Helen Karvouni1
, Anneza I Yiallourou2
, Maria Kyriazi2
, Vaia Stafyla2
, Vassilis Smyrniotis2
and Agathi Kondi-Pafiti1 
1
Department of Pathology, Aretaieion Hospital, University of Athens, Vasilissis Sophias 76, 11528, Athens, Greece
2
2nd Department of Surgery, Aretaieion Hospital, University of Athens, Vasilissis Sophias 76, 11528, Athens, Greece