Huan-Zhang Su

Simultaneous occurrence of HER2 mutation and PD-L1 high expression in EGFR-mutant NSCLC: a case report

In non-small cell lung cancer (NSCLC), EGFR and HER2 mutations are generally considered mutually exclusive events, with a co-occurrence probability estimated to be less than 1%. Patients with either EGFR or HER2 mutations tend to exhibit low PD-L1 expression levels. The simultaneous presence of both EGFR and HER2 mutat...