Fig. 2From: Combined chemoradiotherapy showed improved outcome with early-stage HPV-positive oropharyngeal cancersKaplan-Meier survival and log-rank analysis of oropharyngeal squamous cell carcinoma patients for 5-year overall survival. P16-positive patients were staged using the 7th Edition (A) and the 8th Edition (B) of the American Joint Committee on Cancer Staging ManualBack to article page