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Fig. 5 | BMC Cancer

Fig. 5

From: Patterns and prognostic predictive value of perineural invasion in esophageal squamous cell carcinoma

Fig. 5

Effects of PNI status on ESCC survival in different pN stages. a DFS of patients with pN-negative ESCC according to PNI status; b OS of patients with pN-negative ESCC according to PNI status; c DFS of patients with pN-positive ESCC according to PNI status; d OS of patients with pN-positive ESCC according to PNI status. ESCC, oesophageal squamous cell carcinoma; PNI, perineural invasion; DFS, disease-free survival; OS, overall survival

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