Fig. 1

a Boxplot of the underlying therapy duration until LPD diagnosis. b–c Cox-proportional hazard analysis of LPD free patients over time for the different underlying therapy groups (b) and IS vs IM-all (c). d Kaplan–Meier survival analysis for the different underlying disease therapy groups. IM immunomodulatory, IS immunosuppressive, LPD lymphoproliferative disorder, m months, Rx Underlying disease therapy, y year