Department of Medicine Clinic III-Hematology Oncology Palliative Medicine Rostock University Medical Center Rostock 18057 Germany;
Department of Medicine Clinic III-Hematology Oncology Palliative Medicine Rostock University Medical Center Rostock 18057 Germany;
Department of Medicine Clinic III-Hematology Oncology Palliative Medicine Rostock University Medical Center Rostock 18057 Germany;
Department of Medicine Clinic III-Hematology Oncology Palliative Medicine Rostock University Medical Center Rostock 18057 Germany;
Squamous cell carcinoma of the head and neck; Cancer of unknown primary; Long-term survival; Cetuximab; Metastases; Case report;