In the univariate analysis, histologic subtype (HR, 11.2; 95% CI, 1.4-84.5), tumor grade (HR, 5.1; 95% CI, 1.6-16.4), pathologic stage (HR, 11.6; 95% CI, 3.7-36.1), and PD-L1 status (HR, 3.1; 95% CI, 1.1-8.0) were significantly associated with RFS. Here, CD274 is linked to neoplasm.