LONG-TERM OUTCOMES OF PATIENTS WITH INDETERMINATE OR POSITIVE LATERAL MARGIN AFTER ENDOSCOPIC RESECTION AND RELATED FACTORS WITH RECURRENCE IN LARGE, SESSILE OR FLAT COLORECTAL POLYPS - Kim, HW; Park, SB; Kang, DH; Choi, CW; Kim, SJ; Nam, HS; Ryu, DG (Endoscopy, 2019)