Head and neck MRI-based T stage and [18F]FDG PET/CT-based N/M stage improved prognostic stratification in primary nasopharyngeal carcinoma. - Xie HJ; Sun XS; Zhang X; Xiao BB; Lin DF; Lin XP; Lv XF; Liu LZ; Han F; Zou RH; Li JB; Fan W; et al. (European radiology, 2023)