An analysis of the relationship between the NSCLC CD8 cell count in cancerous lung tissue and the microbiota composition revealed the enrichment of tumor tissue with Burkholderiales, Christensenellales, Lachnospirales, and Staphylococcales at the order level in NSCLC patients with CD8 cell counts above the median (Supplementary Table S10). This evidence concerns the gene CD8A and neoplasm.