CEACAM8 and AIDS dementia complex: In the SCC subgroup, the presence of intratumoral CD66b+ cells was an independent positive prognostic factor [univariate P = 0.038 (Figure 2B), multivariable P = 0.021, HR 0.59 (0.38-0.92)], while in the ADC subgroup, the presence of intratumoral CD66b+ cells was an independent adverse prognostic factor [univariate P = 0.032 (Figure 2C), multivariable P = 0.020, HR 1.7 (1.1-2.65)].