Fig. 3: Change of CD8 + TILs density in paired specimens, comparing diagnostic biopsies vs. resection specimens after neoadjuvant therapy.

The histological tumor types visualized by different colors indicate a potentially more pronounced positive change in lung adenocarcinomas compared to tumors with non-adenocarcinoma histology. LUSC lung squamous cell carcinoma, LUAD lung adenocarcinoma.