No prior pelvic radiation therapy Any prior pelvic radiation Patients who have received prior pelvic radiation or cytotoxic chemotherapy Previous pelvic radiation for prostate cancer. Plans for pelvic radiation while participating in the study Previous pelvic radiation for prostate cancer. Previous pelvic radiation Patients with any prior pelvic radiation therapy. Radiation therapy =< 28 days prior to registration; Note: patients with prior pelvic radiation therapy > 54 Gy are ineligible Radiation therapy to more than 25% of the bone marrow; whole pelvic radiation is considered to be over 25% Radiation therapy to more than 25% of the bone marrow; whole pelvic radiation is considered to be over 25% Prior pelvic radiation Previous pelvic radiation affecting >= 25% of the bone marrow; patients who received whole pelvic radiation are excluded Patients who had pelvic radiation within 12 months Radiation therapy to more than 25% of the bone marrow; whole pelvic radiation is considered to be over 25% Previous pelvic radiation for prostate cancer Previous chemotherapy or pelvic radiation therapy No prior pelvic radiation Previous pelvic radiation for any reason. Prior pelvic radiation Any therapeutic pelvic radiation Subjects must not have had prior pelvic radiation therapy History of prior pelvic radiation therapy No prior pelvic radiation therapy or chemotherapy Previous systemic chemotherapy (for any cancer) or pelvic radiation therapy Previous pelvic radiation for bladder or prostate cancer if performed < 12 months prior to enrollment into the study No previous history of pelvic radiation Patients with a history of prior whole pelvic radiation Pelvic radiation therapy Patients who have received prior pelvic radiation Radiation therapy to more than 25% of the bone marrow; whole pelvic radiation is considered to be over 25% Prior history of pelvic radiation therapy Previous pelvic radiation for prior cancer Previous pelvic radiation therapy Prostate pelvic radiation within the past 12 months Prior pelvic radiation therapy An oncology research protocol requiring full pelvic radiation (i.e., 4-field box technique) Patient must not have had radiation therapy to more than 25% of the bone marrow; whole pelvic radiation is considered to be over 25% History of pelvic radiation Patients must be considered able to tolerate systemic chemotherapy and pelvic radiation therapy Previous pelvic radiation therapy Radiation therapy to more than 25% of the bone marrow (note: whole pelvic radiation is considered to be over 25%) Have had previous radiation of the pelvic area Radiation therapy to more than 25% of the bone marrow; whole pelvic radiation is considered to be over 25% No prior radiation to bladder or pelvic region Radiation therapy to more than 25% of the bone marrow; whole pelvic radiation is considered to be over 25% Patients with any prior history of whole pelvic radiation therapy (WPRT) Patients who have had previous pelvic radiation treatment Radiation therapy to more than 25% of the bone marrow; whole pelvic radiation is considered to be over 25% History of pelvic radiation Prior pelvic radiation Prior pelvic radiation for any reason History of pelvic or rectal radiation therapy Patients who have received any prior pelvic radiation therapy in the area of the tumor that precludes the delivery of a curative dose of pelvic radiation Prior pelvic radiation Patients who are referred with pelvic symptoms, a known pelvic mass, or a history of prior radiation, will be excluded from this investigation Prior pelvic surgery or radiation History of prior pelvic radiation Prior history of pelvic radiation Has received prior pelvic radiation therapy