CD8A and metastatic malignant neoplasm in the lymph nodes: The univariate Cox regression model indicated that age, gender, pathological T stage, lymph node metastasis, TNM stages, tumor differentiation, vessel invasion, tumor deposit, tumor budding, Schistosomiasis, CD8+ T cells, and sPD-L1 were significantly associated with OS (p < 0.05, Table 3).