Your mild case could be treated with focal therapy, Surgery or radiation.

If you had focal therapy and your cancer came back you could have surgery or radiation. It’s a lot less invasive than the other two options. Ask the doctors about it, There are multiple different types of focal therapy.

Getting a hernia fixed at the same time is something they will do under certain conditions.

Here’s some information from the Mayo Clinic about those choices
https://www.mayoclinic.org/diseases-conditions/prostate-cancer/in-depth/prostate-cancer-treatment-surgery-vs-radiation/art-20592862