CASP3 and diffuse large B-cell lymphoma: In DLBCL samples, CD68 expression was positively correlated with the expression of BECN1 and TPN (r = 0.4, p = 0.011; r = 0.7, p = 2e-07) and of CASP3 and CASP8 (r = 0.4, p = 0.017; r = 0.4, p = 0.002) (Figure 2A).