Multi-center Ovarian Tumor Classification Using Hierarchical Transformer-Based Multiple-Instance Learning. - Cris H. B. Claessens; Eloy W. R. Schultz; Anna Koch; Ingrid Nies; Terese A. E. Hellström; Joost Nederend; Ilse Niers-Stobbe; Annemarie Bruining; Jurgen M. J. Piek; Peter H. N. de With; Fons van der Sommen (CaPTion@MICCAI, 2024)