Based on data analysis of 9649 Chinese primary NSCLC patients. we calculated the exact proportion of EGFR subtypes in NSCLC and evaluated the TMB level. PD-L1 expression level and tumor immune microenvironment among different EGFR mutation subtypes. Postoperative follow-up data for 98 patients were collected and analyzed. https://parisnaturalfoodes.shop/product-category/roller-relief-massager/