Radiation and Drug Combo Help With Prostate Cancer By LINDSEY TANNER    CHICAGO (AP) -- Men with prostate cancer that doesn't appear to have spread have better survival chances when they get short-term hormone treatment along with standard radiation, rather than radiation alone, a small study found.    Almost five years after treatment, six men in the radiation-only study group died of prostate cancer; none of the men who got combined treatment died of prostate cancer...