1 Department of Medicine II University HospitalLudwig Maximilian University Munich Munich Germany German Cancer Consortium Partner Site Munich Munich Germany Division of HepatologyDepartment of Medicine II University Hospital Würzburg Würzburg Germany Department of Radiology University HospitalLudwig Maximilian University Munich Munich Germany Department of General-, Visceral- and Transplantation-Surgery University HospitalLudwig Maximilian University Munich Munich Germany.