FIGURE 1.

Cohort definition. Number of patients enrolled in the TLN from April 2009 until August 2014, split up according to different types of lymphoid B‐cell neoplasms. Of all evaluable patients with indolent NHL (other than CLL or MM), 175 patients with MZL who had been prospectively enrolled at the start of their first‐line treatment were included into this analysis. Among them, 58 patients presented with MALT MZL and 117 patients with non‐MALT MZL. Data cut‐off for this analysis was 31 August 2019. CLL, chronic lymphocytic leukemia; MALT, mucosa‐associated lymphoid tissue; MM, multiple myeloma; MZL, marginal zone lymphoma; NHL, non‐Hodgkin's lymphoma