Win55,
The following provides an opinion about treatment based on a "risk of recurrence" as well as invasive v non-invasive.
Bladder cancer treatment; non-muscle invasive (superficial) cancer Michael O'Donnell MD
O'Donnell describes three levels of " risk of recurrence" in the section titled " ADJUVANT BLADDER CANCER THERAPY".
www.uptodate.com/contents/bladder-cancer-treatment-non-muscle-invasive-superficial-cancer-beyond-the-basics
This may may provide you some insight, about which you can ask your doctor.
Best
Jack
Note: The author is well known; the website is an unknown to me.