“…Although prognosis of borderline BT is generally good, they reported recurrence in 6 of 82 cases. The sites of recurrence were lower ureter and peritoneum [n = 1] ( Cuatrecasas et al, 2009 ), contralateral ovary [n = 3] ( Ricotta et al, 2021 , Svenes and Eide, 1984 , Uzan et al, 2012 ), liver [n = 1] ( Vali et al, 2019 ), and subcutaneous, which was located in an abdominal laparotomic scar [n = 1] ( Klasa et al, 2014 ). There have been no reports of recurrences to the thoracic spine.…”