extraprostatic extension

It is not uncommon. In fact post op PSA is usually not the deciding factor for have adjuvant therapies. Rather pre-op PSA, post-op Gleason, and post-op staging are more relevant. Extraprostatic extension is a clear indication that local metastatic disease is likely. Local metastatic disease is disease likely on the "other side of the knife". Hitting the area with radiation is an obvious next step. many times combined with hormone therapy. If that has not been suggested then you might want to learn more about it. "Beating Prostate Cancer:Hormone Therapy and Diet" is a great book by Dr. Snuffy Myers. I recommend it for reading and its here at the HW bookstore. This book talks about your situation and how it is commonly addressed.

Tony