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Dagmar Kollmann
Ap.Prof. PD Dagmar Kollmann, PhD

Department of General Surgery (Division of Visceral Surgery)
Position: Consultant

ORCID: 0000-0002-7417-237X


Adenocarcinoma; Clinical Immunology; Esophageal Diseases; Gastroesophageal Reflux; Liver Transplantation; oesophageal cancer; Organ Preservation; Reperfusion Injury; Upper Gastrointestinal Tract

Research interests

Upper GI Tract - Esophageal Cancer, Tumor Immunology

Functional Esophageal Disorders

Ex vivo liver perfusion - Basic research and clinical application of hypothermic and normothermic ex vivo liver perfusion

Liver/Kidney Transplantation - Clinical Research, Translational Research, Biomarker

Techniques, methods & infrastructure

  • Analysis of the Tumor Microenvironment (Immunohistochemistry, ELISA, metabolomics, etc.)
  • Clinical Research (Large data analysis, Outcome analyses)
  • Large animal liver transplantation and experimental ex vivo organ perfusion
  • Standard laboratory techniques (ELISA, Immunhistochemistry, Western Blot, etc.)

Selected publications

  1. Kollmann, D. et al. (2018) ‘PD-L1 expression is an independent predictor of favorable outcome in patients with localized esophageal adenocarcinoma’, OncoImmunology, 7(6). Available at:
  2. Kollmann, D. et al. (2017) ‘Expression of Programmed Cell Death Protein 1 by Tumor-Infiltrating Lymphocytes and Tumor Cells is Associated with Advanced Tumor Stage in Patients with Esophageal Adenocarcinoma’, Annals of Surgical Oncology, 24(9), pp. 2698–2706. Available at:
  3. Kollmann, D. & Selzner, M., 2017. Recent advances in the field of warm ex-vivo liver perfusion. Current Opinion in Organ Transplantation, 22(6), pp.555–562. Available at:
  4. Kollmann, D. et al. (2020) ‘Normothermic Ex Vivo Liver Perfusion Prevents Intrahepatic Platelet Sequestration After Liver Transplantation’, Transplantation, 104(6), pp. 1177–1186. Available at:
  5. Kollmann, D. et al. (2018) ‘Expanding the donor pool: Donation after circulatory death and living liver donation do not compromise the results of liver transplantation’, Liver Transplantation, 24(6), pp. 779–789. Available at: