Fig. 7From: Diffusion-Weighted Imaging (DWI) derived from PET/MRI for lymph node assessment in patients with Head and Neck Squamous Cell Carcinoma (HNSCC)a Box-and-whisker plots of the lymph nodes ADC according to the primary tumor grades (G1-G3). No significant difference was found between the three grades, P > 0.05Back to article page