(111) Takahashi H, Sakakura K, Arisaka Y, et al. Clinical and Biological Significance of PD-L1 Expression Within the Tumor Microenvironment of Oral Squamous Cell Carcinoma[J]. Anticancer Res, 2019,39(6):3039-3046. The gene discussed is CD274; the disease is oral cavity squamous cell carcinoma.