CD274 and non-small cell lung carcinoma: Four of these studies involved comparisons between ICIs and chemotherapy17, 18, 19, 20 and seven involved comparisons between ICIs combined with chemotherapy and chemotherapy.21, 22, 23, 24, 25, 26, 27 ICIs were compared with standard chemotherapy in selected NSCLC (PD‐L1 > 50% or high TMB).