Kaplan-Meier estimates for PFS, DOR, and TTNT. Kaplan-Meier estimates for PFS for the entire cohort (A) and according to CXCR4 mutational status (B). DOR for the entire cohort (C) and according to CXCR4 mutational status (D). TTNT for the entire cohort (E) and according to CXCR4 mutational status (F) of 26 patients with WM treated with IDR.