CD86 and esophageal squamous cell carcinoma: The densities of CD86 and IL-13 in the tumor stroma were positively correlated with the patients’ postoperative overall survival time and disease-free survival time; therefore, a prognostic prediction model based on CD86 and IL-13 has been developed, and its further integration with TNM staging can provide a more accurate prediction of postoperative ESCC patients.