Fig. 3From: CD3+T-lymphocyte infiltration is an independent prognostic factor for advanced nasopharyngeal carcinomaRelation of total, CD3+ and CD8+ TIL to survival of subgroup of LA-NPC patients with undifferentiated histological WHO type III (n = 58). Kaplan–Meier survival curves showing a disease-free survival (DFS) and b overall survival (OS) of patients in relation to their CD3+ TIL infiltration, CD8+ TIL infiltration or total TIL (assessed from H&E sections) infiltration. Statistical significance was calculated using log-rank testBack to article page