* Division of Cyclotron & Radio-pharmaceuticals, Molecular Imaging & Research Centre, INMAS, Delhi.
** Division of Radiological Imaging, Molecular Imaging & Research Centre, INMAS, Delhi.
Division of PET Imaging, Molecular Imaging & Research Centre, INMAS, Delhi.
FDG-PET/CT, Oropharynx & Larynx Cancer, Local recurrence after RT