CD8A and type 2 diabetes mellitus: When we examined the correlation of the densities of TANs, NETs, and TILs in all 80 tumor samples from T2DM(+) patients treated for CRC, the density of CD8(+) TILs showed weak inverse correlation with that of TANs (r = −0.224, P = 0.023) (Fig. 4b).