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Effect of combination of T stage and TIL count on OS in SCCHN patients. x-axis depicts survival time (in months), y-axis depicts the cumulative OS probability. Survival curves are depicted for (A) OS since diagnosis and (B) OS since time of tissue acquirement. Number at risk for each group is indicated beneath each OS curve. HR, hazard ratio; OS, overall survival; SCCHN, squamous cell carcinoma of the head and neck; TILs, tumor-infiltrating lymphocytes.
