Elective neck irradiation does not improve regional control or survival in pT3-T4N0 oral cavity SCC after high-yield neck dissection: A retrospective multicenter analysis. - Koch N; Yosefof E; Gleber-Netto FO; Amir I; Edri N; Kottukkal T; Bachar G; Shpitzer T; Yehuda M; Ritter A; Najjar E; Kurman N; et al. (Oral oncology, 2026)