COMPARISON BETWEEN UNDERWATER ENDOSCOPIC MUCOSAL RESECTION AND ENDOSCOPIC SUBMUCOSAL DISSECTION FOR RECURRENT COLORECTAL NEOPLASMS AFTER ENDOSCOPIC REMOVAL: A PROPENSITY SCORE-MATCHED STUDY - Ohmori, M; Takeuchi, Y; Shoji, A; Inoue, T; Miyake, M; Matsueda, K; Waki, K; Kono, M; Shimamoto, Y; Fukuda, H; Iwagami, H; Nakahira, H; Matsuura, N; Shichijo, S; Maekawa, A; Kanesaka, T; Higashino, K; Uedo, N; Ishihara, R; Okada, Hiroyuki (Endoscopy, 2020)