[1] Fdn Policlin Univ A Gemelli IRCCS, UOC Ginecol Oncol, Dipartimento Tutela Salute Donna & Vita Nascente, Rome, Italy
[2] Univ Cattolica Sacro Cuore, Milan, Italy
[3] Univ Cattolica S Cuore, Dept Histopathol, Milan, Italy
[4] Univ Palermo, Dept Gynecol Oncol, Palermo, Italy