sCD40 blood concentrations by TNFRSF5 −1C>T genotypes. (A) sCD40 concentrations in plasma of healthy controls by TNFRSF5–1C>T genotypes. (B) sCD40 concentrations in sera of healthy controls and follicular and diffuse large B-cell lymphoma cases by TNFRSF5 −1CC and −1TT genotypes. Means (bars) with standard errors (box) and one SD (whiskers) are shown (*P < .05).