BCL2 and follicular lymphoma: Bacon et al. described five cases of primary follicular lymphoma of the testis and epididymis in adults characterized by immunophenotypic expression of CD10 and BCL6, which lacked immunophenotypic expression of BCL2 and lacked t(14;18)(q32;q21)/IGH-BCL2 and BCL6 rearrangements [31].