S140: SINGLE-CELL MULTIOMICS ANALYSES REVEAL COMPLEX INTRA-PATIENT HETEROGENEITY IN RELAPSED CLL FOLLOWING VENETOCLAX THERAPY. (23rd June 2022) - Thijssen, R.; Tian, L.; Flensburg, C.; Anderson, M. A.; Jarratt, A.; Peng, H.; Majewski, I.; Tam, C.; Seymour, J.; Blombery, P.; Ritchie, M.; Huang, D.; et al.