In the HNSCC group, there was a significantly higher relative ILT2 mRNA expression compared to ILT4 mRNA expression (0.183 ± 0.2913 vs. 0.108 ± 0.1108, r = 0.7755, p < 0.0001). The gene discussed is LILRB1; the disease is head and neck squamous cell carcinoma.