Efficacy and prognostic impact of preoperative risk factors for salvage liver transplantation and repeat hepatectomy in patients with early-stage recurrent hepatocellular carcinoma: a propensity score-matched analysis - Yang, Linfeng; Huang, Yang; Deng, Dawei; Liu, Junning; Xu, Liangliang; Yi, Pengsheng (Frontiers in Oncology, 2025)