We observed increased constitutive phosphorylation of STAT1 on Y701 and S727 in the HR-like GCB-DLBCL cell line SUDHL7 and to a minor extend in the pSTAT3(Y705) positive BCR-subtype ABC-DLBCL cell lines OCI-Ly3 and OCI-Ly10 [470]. The gene discussed is BCR; the disease is aneurysmal bone cyst.