For the purpose of studying the expression of PD-L1, EGFR and HER2-neu expression, we included 49 cases of NSCLC that fulfilled the inclusion criteria with 35 cases (71.4%) of SCCs and 14 cases (28.5%) of ADCs and analysed the pattern of expression with various clinicopathological parameters. The gene discussed is EGFR; the disease is non-small cell lung carcinoma.