All,
There are no set protocols for follow-up care and depending on the surgeon, oncolgist, hospital, etc. there are many different approaches taken.
I, for one, have never had a PET/CT scan or any scans, but do get an annual chest x-ray. That is all that my surgeon prescribed as a follow-up. Perhaps this is because I was staged as a T1NOM0.
Someday there may be standard protocols available, but as of now, I'm not aware of any.
Jerry