How would you manage a localized low grade follicular lymphoma diagnosed shortly after a patient had a CR to an aggressive treatment regimen for DLBCL?

DLBCL arising from a low-grade lymphoma, typically follicular lymphoma, is relatively common. It occurs at a rate of 2-3%/year. Presumably, in this case the patient had an undiagnosed FL with early transformation. Review of the pathological specimens may shed light on this possibility. In any case, ...