Affiliation: | (1) National Center of Tumor Diseases, University of Heidelberg, Heidelberg, Germany;(2) Department of Surgery, University Hospital of Heidelberg, Heidelberg, Germany;(3) Department of Surgery, Technische Universitaet Muenchen, Munich, Germany;(4) Department of Pathology, Technische Universitaet Muenchen, Munich, Germany;(5) University of Heidelberg, Heidelberg, Germany |