MRI, PET/CT and PET/MRI Fusion in the Assessment of Lymph Node Metastases in Head and Neck Cancer. - Poier-Fabian, Nikolaus; Asel, Christian; Cristurean, Hanna; Mayrhofer, Michael; Moser, Veronika; Janssen, Jan Maximilian; Ziegler, Thomas; Gabriel, Michael; Rubicz, Nina; Zwittag, Paul Martin (Diagnostics (2075-4418), 2026)