Tumor Infiltrating Lymphocytes, PD-L1, and CD8 Immunohistochemistry Percentages of stromal tumor-infiltrating lymphocyte (TIL) were estimated in hematoxylin and eosin ... were performed using Cox ...
Clinical and CT characteristics for predicting relapse-free survival (RFS) and overall survival (OS) were analyzed using the Kaplan–Meier method and Cox proportional hazards model ... tissue sample ...