The frequency of PD-L1 positive was 47.8% (264/552, clone 22C3) and 43.4% (56/99, clone 28-8) in ADC and 52.4% (75/143, clone 22C3) and 57.1% (8/14, clone 28-8) in SCC (Table 1). The gene discussed is CD274; the disease is AIDS dementia complex.