Affiliation: | 1. Department of General and Visceral Surgery, University Medicine Göttingen, Germany;2. Department of Medical Statistics, University Medicine Göttingen, Germany;3. Department of Radiotherapy and Radiooncology, University Medicine Göttingen, Germany;4. Department of Pathology, University Medicine Göttingen, Germany;5. Institute of Pathology, Kassel, Germany;6. Department of Pathology, University of Erlangen, Erlangen, Germany |