Moreover, under the 980 nm near‐infrared irradiation, the strongest type 1 T helper (Th1) and type 2 T helper (Th2) immune responses and the highest frequency of CD4+, CD8+, and effector memory T cells were observed in the colon cancer (CT26)‐tumor‐bearing BALB/c mice.[20]. This evidence concerns the gene CD8A and neoplasm.