 - Arm III radical conformal radiotherapy: Patients undergo 3-dimensional conformal radiotherapy for 7.4 weeks 37 fractions. Patients receive neoadjuvant androgen-deprivation therapy comprising luteinizing hormone-releasing hormone LHRH agonists once every 4 weeks, beginning prior to the start of radiotherapy and continuing for at least 3-6 months at least until completion of radiotherapy. Patients also receive cyproterone acetate or equivalent alternative beginning 1 week prior to the first LHRH agonist injection and continuing for at least 3 weeks. 