BCL2 and follicular lymphoma: Ozsan et al. reported that ovarian extension of nodal follicular lymphoma was characterized as low histologic grade, BCL2 protein positivity, and presence of t(14;18)(q32;q21), while true primary ovarian follicular lymphoma was characterized as higher histologic grade, CD10 and BCL2 negativity, and absence of t(14;18)(q32;q21) [10].