P856: A SINGLE-CELL FUNCTIONAL PRECISION MEDICINE LANDSCAPE OF MULTIPLE MYELOMA. (23rd June 2022) - Kropivsek, K.; Kachel, P.; Goetze, S.; Wegmann, R.; Severin, Y.; Hale, B. D.; Festl, Y.; Mena, J.; van Drogen, A.; Dietliker, N.; Tchinda, J.; Wollscheid, B.; et al.