Your interpretation seems to match what I could find about it. Quote from a study about that exact thing:
"A positive surgical margin at the prostatic apex in the absence of positive margins or extraprostatic extension elsewhere does not confer a worse prognosis than organ confined disease. In this study the recurrence rate for patients with positive apical margins was the same as for those with confined disease."
I read that to say, if there's no expansion to margins or other tissue elsewhere, then the risk of it coming back is the same as from organ contained PCa, which is as good a risk factor as we can expect from surgery.
James C. Age 61
Co-Moderator- Prostate Cancer Forum
4/19/07 PSA 7.6, referred to Urologist, recheck 6.7
7/11/07 Biopsy- 16 core samples, size of gland around 76 cc. Staging pT2c
7/17/07 Path report: 3 of 16 PCa, 5% involved, left lobe , GS 3/3:6.
9/24/07 (open) Retropubic Radical Prostatectomy performed
9/26/07 Post-op Path Report: GS 3+3=6 Staging pT2c, 110gms, margins clear
16 mts: ED- Viagra, pump continues, no response- Trimix ..35ml x 2 weekly continues
Post Surgery PSA's: 3 mts-.04, 6 mts.-.04, 9 mts.-.04, 1 Year-.02.