13 The results of analysis demonstrated that the density of CD45RO+ TILs in the IM was a significant prognostic factor for clinical outcome [distant metastasis-free survival (DMFS) and OS], a high density of CD8+ TILs in the CT was associated with prolonged survival but did not reach statistical significance and the density of CD3+ TILs was associated with neither DMFS nor OS.
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