Welcome @dpybarra, you'll notice that I moved your message to this existing discussion where @hoard was asking the same questions. I encourage you to read through the sage advice from fellow members
- Post prostatectomy: What do rising PSA levels mean? https://connect.mayoclinic.org/discussion/post-prostatectomy/

As you likely know, the PSA test alone is not enough to determine cause or next steps. Your doctor will likely order additional tests or followup in a few months with another PSA test. Do you have a followup appointment schedule with your oncologist?