I don't think that she was offered it, but her consultant seems to think that the op is the best way to go.
It is the para thyroid which is, I believe, not the same as thyroid. I'm not really sure.
If your wife is a smoker they will undoubtedly tell her to stop. They did at my first pre op 15 years ago. Glad I never took it up again post op as I underwent cancer surgery and heart surgery since. I had lung/respiratory tests, blood/plasma tests, ECG,
They ask about drug allergies and general previous health.
Had a pre-op about 3 months ago. Checked height, weight, blood pressure and took swabs of my mouth for ecoli etc. Also had an ECG. There were of course about 100 questions concerning the usual - smoking, drinking, exercise etc. etc.
I had this done 6 weeks ago. A couple of weeks before I had all the usual. Checks of BP, Oxygen levels, chest, breathing etc and chest. The anaesthetist talked to me and I was told not to take my anticoagulant medicine 2 days before the op. I had a cancer scare and had to 4 weeks before I got the all clear.