“…The studies included 2624 patients with serous borderline ovarian tumour (sBOT), 2120 patients with mucinous borderline ovarian tumour (mBOT) 165 other types of BOT (endometrioid, mixed, clear cell tumours and unspecified subtypes, ( Table 2). Of these studies, seven included only patients with sBOT [1,7,10,11] (four of which included only late-stage sBOT [12][13][14][15]), and two included only mBOT [16,17]. Regarding the presence of implants, 18 studies mentioned the presence and type of implants, while three mentioned only the presence of implants.…”