NBCNews.com - "DNA Markers May Predict Impotence After Prostate Cancer"

New research, published Thursday in the International Journal of Radiation Oncology, discovered a set of genetic markers that appear to indicate a significantly greater risk of collateral damage from radiation treatment for prostate cancer. Knowing a man's susceptibility to fallout from radiation may steer a doctor toward surgery instead of other potentially damaging therapy. "More often than not, it's not clear-cut which way to go," explained Dr. Barry Rosenstein, professor of radiation oncology at Mount Sinai School of Medicine in New York City. "If you see a surgeon, he's likely to say surgery is best. If you see a radiation oncologist he’ll say oncology." Learn more