CD274 and non-small cell lung carcinoma: As clarified by current reports, EGFR ex20ins was associated with much lower levels of TMB (2.8–3.6/Muts/Mb) than WT EGFR, as well as with a low TPS of PD‐L1 expression, which suggested lack of comparable benefit of ICI in EGFR ex20ins as observed in NSCLC harboring common EGFR mutations.10, 21, 22, 33