OC-024 12 week PET-CTs have a low PPV for nodal residual disease in HPV positive oropharygeal cancers. (March 2019) - Rulach, R.; Zhou, S.; Hendry, F.; Stobo, D.; Dempsey, M.F.; Grose, D.; Lamb, C.; James, A.; Schipani, S.; Rizwanullah, M.; Wilson, C.; Paterson, C.