Our findings are in discordance with the results of a previous meta‐analysis on head and neck cancers in which authors revealed a significant association between PD‐L1 expression and poor prognosis in a subgroup analysis.66 Such discrepancy is in part due to the inclusion of the meta‐analysis of two recently published studies in which PD‐L1 expression correlated with a better prognosis.28, 29. Here, CD274 is linked to head and neck cancer.