CD8A and neoplasm: In particular, high levels of CD8+ TILs were found to significantly increase PFS (adjusted HR (95% CI) 0.38 (0.09–0.87); p = 0.02) and OS (adjusted HR (95% CI) 0.39 (0.09–0.89); p = 0.02) in tumour samples of patients who underwent surgical resection [79].