Fig. 3
From: Neck dissection improves the prognosis of patients with early-stage oral squamous cell carcinoma
Survival curve of patients with or without neck dissection. Kaplan–Meier curves of DSS (A) and OS (B) of patients with or without neck dissection; DSS (C) and OS (D) of patients among the observation, SND, and the SLNB group.
