Radiation Therapy in Treating Women Who Have Undergone Surgery For Ductal Carcinoma In Situ or Stage I or Stage II Breast Cancer

Radiation Therapy in Treating Women With Locally Recurrent Breast Cancer Previously Treated With Repeat Breast-Preserving Surgery

Radiation Therapy With or Without Temozolomide in Treating Patients With Low-Grade Glioma

Hormone Therapy With or Without Combination Chemotherapy in Treating Women Who Have Undergone Surgery for Node-Negative Breast Cancer (The TAILORx Trial)

Gossypol, Cisplatin, and Etoposide in Treating Patients With Advanced Solid Tumors or Extensive Stage Small Cell Lung Cancer

Letrozole in Treating Postmenopausal Women Who Have Received Hormone Therapy for Hormone Receptor-Positive Breast Cancer

Hormone Therapy and Radiation Therapy or Hormone Therapy and Radiation Therapy Followed by Docetaxel and Prednisone in Treating Patients With Localized Prostate Cancer

Radiation Therapy in Treating Patients With Stage II Prostate Cancer