See Matsuyama H., et al., "The prognostic significance of Gleason
pattern 5 in prostate cancer patients treated with Pd-103
brachytherapy." Am J Clin Oncol. 2007 Dec;30(6):597-600.
"CONCLUSION: The presence of pattern 5 disease is a risk factor for
biochemical failure. But in sharp contrast to prior studies, Pd-103
brachytherapy-based radiation appears to provide such patients with a
high likelihood of cancer eradication."
Pub Med ID: 18091053. Pub Med is at
http://www.pubmed.gov
Regards,
Steve J