IHC characterization of all 9 PDX models. (A) IHC analyses of the indicated markers in all 8 DLBCL PDX models, which were consistent with the diagnosis of DLBCL. (B) IHC assessment of indicated markers in PDX model LTL-048, which is consistent with the diagnosis of PBL. Scale bars, 100 μm. See also Table 1. intracyt., intracytoplasmic.