Figure 1

(A) Overall survival, (B) disease-specific survival, (C) disease-free survival, and (D) metastasis-free survival rates for patients with stage III or IV oral cavity tumours according to treatment group (Cox regression analysis).
(A) Overall survival, (B) disease-specific survival, (C) disease-free survival, and (D) metastasis-free survival rates for patients with stage III or IV oral cavity tumours according to treatment group (Cox regression analysis).