QUANTIFICATION OF LYMPHOVASCULAR INVASION IS USEFUL TO PREDICT LYMPH NODE METASTASES IN PATIENTS WITH SUBMUCOSAL (T1B) ESOPHAGEAL ADENOCARCINOMA - van de Ven, SEM; Gotink, AW; Ten Kate, FJC; Nieboer, D; Weusten, BLAM; Brosens, LAA; van Hillegersberg, R; Herrero, LA; Seldenrijk, CA; Alkhalaf, A; Moll, FCP; Curvers, W; van Lijnschoten, I; Tang, T; van der Valk, H; Nagengast, WB; Kats-Ugurlu, G; Plukker, JTM; Houben, MHMG; van der Laan, J; Pouw, RE; Bergman, JJGHM; Meijer, SL; van Berge Henegouwen, MI; Wijnhoven, BPL; de Jonge, PJF; Doukas, M; Bruno, MJ; Biermann, K; Koch, AD (Endoscopy, 2020)