Title Search [OP 4-1] Validation of laboratory frailty-index as a predictive factor for living-donor liver transplant Seung Hyuk YIM (Yonsei University, Korea) [OP 4-2] Improved graft survival by using three-dimensional (3-D) printing of intra-abdominal cavity to prevent large-for-size syndrome in liver transplantation Sunghae PARK (Sungkyunkwan University, Korea) [OP 4-3] Effect of cumulative exposure to tacrolimus on the recurrence of HCC after liver transplantation Deok-Gie KIM (Yonsei University, Korea) [OP 4-4] Liver graft microRNAs expression in different etiology of acute jaundice after living donor liver transplantation Shu-Hsien LIN (Kaohsiung Chang Gung Memorial Hospital, Taiwan) [OP 4-5] Benefit of living donor liver transplantation in graft survival for extremely high model for end-stage liver disease score ≥ 35 Sang Oh YUN (Sungkyunkwan University, Korea) [OP 4-6] Impact of everolimus versus mycophenolate mofetil in combination with reduced tacrolimus on oncologic outcome after liver transplantation for hepatocellular carcinoma Eun-Ki MIN (Yonsei University, Korea) [OP 4-7] Effect of weight reduction on liver volume in living liver donor with steatosis Kwangpyo HONG (Eulji University, Korea)