W.M. Westra Positions PhD Candidate, Other Academic Staff Main activities Research Specialisation gastroenterology Focus of research Barrett's esophagus Amsterdam UMC Research Institutes AII - Cancer immunology Amsterdam Gastroenterology Endocrinology Metabolism CCA - Cancer biology and immunology CCA - Imaging and biomarkers CCA - Treatment and quality of life AMC departments Gastroenterology and Hepatology Graduate School Key publications All Publications