A, Kaplan-Meier survival estimates for 5-year overall survival patients undergoing vein-first lobectomy (V-first group) or artery-first lobectomy (A-first group) (hazard ratio, 1.95 [95% CI, 1.27-2.99]; P = .002). B, Estimates for 5-year disease-free survival (hazard ratio, 1.76 [95% CI, 1.24-2.49]; P = .001) and C, Estimates for 5-year lung cancer-specific survival (hazard ratio, 1.98 [95% CI, 1.26-3.11]; P = .003) in propensity score–matched patients in the V-first and A-first groups.