1. Department of General and Visceral Surgery, Stadtisches Klinikum DresdenTeaching Hospital of the Technical University of Dresden Dresden Germany
2. Department of Medical Oncology, Stadtisches Klinikum DresdenTeaching Hospital of the Technical University of Dresden Dresden Germany
3. Department of Radiology, Stadtisches Klinikum DresdenTeaching Hospital of the Technical University of Dresden Dresden Germany
4. Department of Pathology, Stadtisches Klinikum DresdenTeaching Hospital of the Technical University of Dresden Dresden Germany
5. Department of Radiation Therapy, Stadtisches Klinikum DresdenTeaching Hospital of the Technical University of Dresden Dresden Germany