Immune Checkpoint Inhibitors Improve Survival and Local Control in Patients With Spine Metastasis After Stereotactic Body Radiotherapy

X. Chen: None. M.C. LeCompte: None. L.R. Kleinberg: Research Grant; Novartis, Novocure, Accuray, Arbor. Honoraria; Accuray. Advisory Board; Novocure. Travel Expenses; Accuray. R.K. Hales: Research Grant; Genentech. K. Voong: Research Grant; Radiation Oncology Institute, Lung Cancer Research Foundation, Canon, Inc. P. Forde: Research Grant; Bristol Myers-Squibb, AstraZeneca, Kyowa-Kirin, Novartis. Honoraria; Bristol Myers-Squibb, AstraZeneca, Novartis, Merck, AbbVie, EMD, Inivata. J.R. Brahmer: Research Grant; AstraZeneca, Bristol Myers Squibb, Genentech/Roche, Merck, RAPT Therapeutics, Revolution Medicines. Consultant; Amgen, Bristol Myers Squibb, Genentech, Eli Lilly, GlaxoSmithKline, Merck, Sanofi. M. Markowski: Honoraria; Clovis Oncology, Exelixis. D.M. Ryan II: None. L. Lo: None. D.M. Sciubba: Consultant; Medtronic, DePuy-Synthes, Baxter. K.J. Redmond: Research Grant; Elekta AB, Accuray. Honoraria; AstraZeneca, Accuray. Travel Expenses; Elekta AB, Accuray.