Metformin suppresses esophageal cancer progression through the radiation‑induced cellular senescence of cancer‑associated fibroblasts. - Sugimoto Y; Okamoto K; Saito H; Yamaguchi T; Kinoshita J; Nakamura K; Takino T; Endo Y; Ninomiya I; Ohta T; Inaki N (Oncology reports, 2024)