Fig. 5

PD-L1 had no prognostic significance in patients with anaplastic large cell lymphoma, regardless of ALK status and International Prognostic Index (IPI) score. a in patients with ALK+ anaplastic large cell lymphoma. b in patients with ALK− anaplastic large cell lymphoma. c in patients with low IPI score (<3). d in patients with high IPI score (≥3)