borderline significanceP=0.055
For patients with BMs at baseline, a significant association was uncovered between uCRT and a favorable survival outcome on univariate analysis (HR: 0.50, 95% CI: 0.25–0.99, P=0.045), and this association retained borderline significance on multivariate analysis (HR =0.55, 95% CI: 0.28–1.10, P=0.055, Table S5 ).