AO Spine Clinical Practice Recommendations: An Overview of the Current State of Fusion Surgery for Patients With Spinal Metastasis: Is Fusion Necessary? - Landriel F; Cofano F; Hem SM; Karim SM; Mehta AI; Barzilai O; Dea N; Gasbarrini A; Goodwin CR; Laufer I; Reynolds J; Verlaan JJ; et al. (Global spine journal, 2026)