IRF4 and B-cell non-Hodgkin lymphoma: To analyze the molecular signature for IRF4 in cHL, the dataset including 64 Hodgkin’s lymphoma, 3 T-cell/histiocyte-rich B-cell lymphoma, 3 Hodgkin’s lymphoma cell lines, and 3 lymphadenitis samples (60 cHL samples in total), was selected for analysis [48].