[1] University of Freiburg,Department of Radiation Oncology, Medical Center, Faculty of Medicine
[2] University of Freiburg,Department of Medicine I, Medical Center, Faculty of Medicine
[3] University of Freiburg,Institute for Surgical Pathology, Medical Center, Faculty of Medicine
[4] Assiut University Hospitals,Clinical Oncology and Nuclear Medicine Department
[5] German Cancer Consortium (DKTK),Partner Site Freiburg
[6] RWTH Aachen University,Department of Radiation Oncology
[7] University of Magdeburg,Department of Radiation Oncology