Department of Morphology and Molecular Pathology;
University Hospitals Leuven;
Department of Morphology and Molecular Pathology;
University Hospitals Leuven;
Department of Laboratory Medicine;
Jessa Hospital;
Department for Molecular and Developmental Genetics;
Flanders Institute for Biotechnology (VIB);
Department of Human Genetics;
Catholic University of Leuven;
Department of Digestive Oncology;
University Hospitals Leuven;
Gastrointestinal; MALT; lymphoma; t(11; 18); (q21; q21); VH; mutation; Marginal; zone; CD27;