Article 1 Chemoradiotherapy 1 Diffusion-Weighted Imaging Fluorodeoxyglucose F18 1 HPV 1 Head and Neck Neoplasms 1 Humans 1 MTV 1 Magnetic Resonance Imaging 1 OPSCC 1 PET/MRI 1 Papillomavirus Infections 1 Positron-Emission Tomography 1 Primary tumor 1 Retrospective Studies 1 SUVmax 1 Squamous Cell Carcinoma of Head and Neck 1 TLG 1 Tumor response 1 adult 1 antineoplastic agent 1 apparent diffusion coefficient 1 cancer grading 1 cancer patient 1 cancer staging 1 chemoradiotherapy 1 clinical article 1 clinical feature 1 controlled study 1 diagnostic imaging 1