CD8A and non-small cell lung carcinoma: Gaudreau et al. investigated the correlation between neoadjuvant chemotherapy (NCT) and the immune microenvironment (IME) in resectable NSCLC (non-small cell lung cancer) and discovered NCT was closely related to the cell infiltration increase of cytotoxic CD8+ T cells and CD20 + B cells (Gaudreau et al., 2021).