Figure 2From: High ERCC1 expression predicts cisplatin-based chemotherapy resistance and poor outcome in unresectable squamous cell carcinoma of head and neck in a betel-chewing areaKaplan-Meier estimates of the probability of survival. (A) PFS according to ERCC1 expression. PFS: progression free survival. (B) OS according to ERCC1 expression. OS: overall survivalBack to article page