Consistently high 5.5-year progression-free survival (PFS) rates in patients with and without bulky baseline lymphadenopathy ≥5 cm are associated with high undetectable minimal residual disease (uMRD4) rates after first-line treatment with fixed-duration ibrutinib + venetoclax for chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL)在II期迷人研究中