[P-214] Usefullness of stent insertion for the treatment of anastomotic leaks and TEFs after upper GI surgery
○Chul-Hyun Lim, Hyo Jun Ahn, Jong-Yul Lee, Jin-Su Kim, Jae-Myung Park, In-Seok Lee, Sang-Woo Kim, Myung-Gyu Choi(Department of Internal Medicine, The Catholic University, Seoul Korea)