CCR2 and diffuse large B-cell lymphoma: CCL2 and CCR2 expression was analyzed by immunohistochemical staining and its correlations with clinicopathologic features and prognosis were evaluated in 221 patients with diffuse large B-cell lymphoma, and high expression of CCL2 or CCR2 was correlated with clinicopathological characteristics and indicated significantly poorer overall survival and progression-free survival [78].