Swimmers plot of 17 patients with termination of treatment due to uMRD. Length of the bar shows duration of treatment (red), observation after treatment discontinuation (green) and start of next treatment line (dark blue). The time point of first documentation of uMRD in peripheral blood and bone marrow is indicated with a circle and a black dot, respectively. Documentation of progressive disease, Richter transformation, and death are as described in the symbol key in the image. BM, bone marrow; PB, peripheral blood.