Hello @gcoley, Welcome to Mayo Clinic Connect. I can understand your concern and concern can be a good thing. Here's some information that may help understand the testing and followup.

Prostrate Cancer Foundation: https://www.pcf.org/about-prostate-cancer/what-is-prostate-cancer/the-psa-test/
Following PSA Levels During and After Prostate Cancer Treatment: https://www.cancer.org/cancer/prostate-cancer/treating/psa-levels-after-treatment.html

You mentioned your family physician didn't seem concerned. Are you able to ask the surgeon who performed the procedure about the rise in the PSA test numbers?

I add my welcome @gcoley. You'll notice that I moved your message to an existing discussion where @hoard asked a similar question about rising PSA levels after a prostectomy. Please click VIEW & REPLY to scroll through previous posts. Allow me to repost info that I posted for @hoard

There are several reasons why one's PSA level may rise after being stable for a time. This article explains it well:
– PSA levels after prostatectomy https://www.medicalnewstoday.com/articles/323899.php

Here's an excerpt from the article:
"Seeing a rise in PSA level does not always mean that prostate cancer is returning or spreading. The test is very sensitive and can pick up small changes in PSA levels. Doctors will usually want to know how quickly levels of PSA in the blood are rising. To find this out, a person will need to have regular PSA tests. If levels of PSA remain stable or rise very slowly, treatment may not be necessary.

In some cases, high PSA levels in the blood are not due to cancer cells. Some factors that can affect PSA levels include:
– older age
– ethnicity
– medication
A doctor will take these factors and the person's medical history into account when looking at test results. This can help them decide if PSA levels are high enough to cause concern."

The PSA test alone is not enough to determine cause or next steps. Do you have a followup appointment schedule with your PCP or oncologist to discuss?