Our results indicated that PD-L1 expression was consistent with that of CD19, and patients with PD-L1highCD19high expression had significantly better prognosis than other combinations, consistent with previous studies.[45] B lymphocytes, a type of tumor-infiltrating immune cell, primarily produce antibodies, present antigens, and secrete immunoglobulins and cytokines. This evidence concerns the gene CD274 and neoplasm.