The role of structural imaging in lymphoma is then discussed. From a Nuclear Medicine perspective, FDG-PET in lymphoma is reviewed, as is the role of FDG-PET in pediatric lymphoma. Next, the role of non-FDG tracers in lymphoma is reviewed. Other articles cover the role of fMRI and optical imaging in lymphoma, the role of diffusion-weighted MRI in lymphoma, FDG-PET in personalization of therapy in patients with lymphoma, and PET and radiation oncology in lymphoma.