[1] Univ Catania, Dept Med Surg Sci & Adv Technol GF Ingrassia, Anat Pathol, I-95123 Catania, Italy
[2] Univ Enna Kore, Dept Med & Surg, I-94100 Enna, Italy
[3] ASP Ragusa Hosp Giovanni Paolo II, I-97100 Ragusa, Italy
[4] Azienda USL IRCCS Reggio Emilia, Pathol Unit, I-42123 Reggio Emilia, Italy
[5] Azienda USL IRCCS Reggio Emilia, Surg Oncol Unit, I-42123 Reggio Emilia, Italy
[6] Natl & Kapodistrian Univ Athens, Attikon Univ Hosp, Med Sch, Dept Pathol 2, Athens 15772, Greece