Durable intracranial and extracranial response to nivolumab with appearance of secondary resistance in a heavily pretreated patient with head and neck cancer

1. Cabezas-Camarero, S.
2. García-Barberán, V.
3. Sáiz-Pardo Sanz, M.
4. Cabrera-Martín, M.N.
5. Gimeno-Hernández, J.
6. Pérez-Segura, P.