Fig. 1From: The pattern and spread of invasion can predict late cervical lymph node metastasis in early tongue squamous cell carcinomaKaplan–Meier estimates for 5-year cumulative survival based on late cervical lymph node metastasis. The 5-year cumulative survival rate of patients with late cervical lymph node metastasis (53.3%) was significantly lower than that of patients without it (100%) (p = 0.0043)Back to article page