It has been reported that the EGFR and Hippo/YAP pathways are involved in regulation of PD‐L1 expression.14, 19, 25, 26, 27 We provided the evidence that anti‐CTLA4 antibody could induce PD‐L1 expression in NSCLC cells. Here, EGFR is linked to non-small cell lung carcinoma.