1463 The intra-tumoral spatial heterogeneity of T cell antigens in glioblastoma: An integrated multi-omics approach by Michael Weller, Luca Regli, Hans-Georg Rammensee, Juliane S Walz, Marian Christoph Neidert, Jens Bauer, Marcel Wacker, Gioele Medici, Marissa Dubbelaar, Annika Nelde, Friederike Hanssen, Carolin Schwitalla