Below is an article I get from a site that sends me frequent medical information. It about Proton Therapy. In a nutshell they say: For prostate cancer, however, the most important question has never been whether proton therapy is technologically impressive.

The question is whether patients experience better outcomes.

The latest evidence suggests that for most men with low- and intermediate-risk localized prostate cancer, the answer is probably no.

It's pretty long and most way over my head, but some might find it interesting??
https://www.medscape.com/s/viewarticle/proton-therapy-prostate-cancer-what-should-clinicians-do-2026a1000m94