has subject area Aged (MeSH) Combined Modality Therapy (MeSH) Diet (MeSH) Feasibility Studies (MeSH) Follow-Up Studies (MeSH) Humans (MeSH) Intervention Studies (MeSH) Male (MeSH) Neoplasm Staging (MeSH) Oncology & Carcinogenesis (Science Metrix) Pilot Projects (MeSH) Prognosis (MeSH) Prostatic Neoplasms (MeSH) Radiotherapy Planning, Computer-Assisted (MeSH) Radiotherapy, Conformal (MeSH) Rectum (MeSH)