Hi, Gary.
I'm sorry to see that your having prostate problems, but welcome to the forum, mate.
I'm not medically trained, but it seems likely that your symptoms could be caused by non-cancerous prostate conditions such as BPH or prostatitis. These conditions, like prostate cancer itself, are more usually found in older men.
Have you had a PSA check yet?
The MRI will give a clearer picture of what's causing the problem.
Please keep us updated and good luck, mate.👍