1. Institute of PathologyTechnical University of Munich Munich Germany
2. Department of SurgeryUniversity of Heidelberg Heidelberg Germany
3. Department of SurgeryTechnical University of Munich Munich Germany
4. Institute of Medical Informatics, Statistics and EpidemiologyTechnical University of Munich Munich Germany
5. Institute of PathologyUniversity of Heidelberg Heidelberg Germany
6. Department of SurgeryKlinikum Rosenheim Rosenheim Germany
7. German Cancer Consortium (DKTK), Partner Site MunichInstitute of Pathology Munich Germany