How do you approach subsequent WBRT following prior brainstem SRS/fSRT?

So I’m assuming this patient who now needs WBRT after SRS for brainstem mets needs it because of elsewhere recurrence. Frankly, I don’t really have a WBRT constraint and ideally, the SRS was over 6 months ago but if the patient needs WBRT I would proceed. I would discuss the potential risk of radion...