“…Until now, only 56 such cases have been reported in the international literature. [2][3][4][5][6][7][8][9][10][11][12] Herein, we report three new cases treated in the Departments of Surgical Oncology and Radiotherapy at the University Hospital in Herakleion, Greece, and at The Netherlands Cancer Institute in Amsterdam during the last 5 years. In a collective review, the data of these 59 cases were analyzed, especially regarding treatment and outcome, to form treatment recommendations with the aim of reducing the recurrence rate and improving survival.…”