Four types of groups from 228 NSCLC patients were identified: type I, 73 patients with PD-L1 high/TIL high; type II: 70 cases with PD-L1 low/TIL low; type III: 37 patients with PD-L1 high/TIL low; type IV: 48 cases with PD-L1 low/TIL high. The gene discussed is CD274; the disease is non-small cell lung carcinoma.