We then detected the abundance of CD3+ (Fig. 4B), CD4+ (Fig. 4C), CD8+ (Fig. 4D), Granzyme B+ (Fig. 4E) and F4/80+ cells (Fig. 4F) in the tumour by immunohistochemistry and flow cytometry (Fig. 4G). The gene discussed is CD8A; the disease is neoplasm.