SMYD3 and diffuse large B-cell lymphoma: A total of 166 DLBCL cases were then divided into a high (H-score>120, 73 cases, 44.0%) and a low SMYD3 expression group (H-score < 120, 93 cases, 56.0%), according to the cutoff of the SMYD3 H-score based on the ROC curve.