If he was diagnosed at stage 3 (+ LN) he should have been offered interferon for 1 yr. IF stage 2, then surgery alone, but either way he should have recieved regular checkups to watch for signs of recurrence. His confusion is most likely from a combination of brain mets and pain meds. Any plans, like gamma knife, for the brain mets? As for the, why us question, its a good one. Perhaps an even better question is, why not you?