Cmar_a_258396 7881..7890

1Institute of Pathology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany; 2German Cancer Consortium (DKTK), Partner Site University Hospital Essen, Essen, Germany; 3Department of Tissue Diagnostics, Helios Klinikum Emil Von Behring, Berlin, Germany; 4Ruhrlandklinik, West German Lung Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany; 5Lungenklinik Heckeshorn, Helios Klinikum Emil Von Behring, Berlin, Germany; 6Department of Medical Oncology, West German Cancer Center, University, Hospital Essen, Essen, Germany