I sympathize.
My dad was in remission for 15+ years and it showed back up last year. He's got an aggressive oncologist and they're already aggressively treating it.
So I honestly know how you feel. Except the career part. I haven't been as blessed/lucky there. But the cancer part, I get you on.
What has books ever teached us?
-- Captain Afrohead
Subject-verb agreement.
-- t3h 0n3