Surgery in Treating Patients With Early Stage Anal Canal or Perianal Cancer and HIV Infection
AIDS Malignancy Consortium
AIDS Malignancy Consortium
Eastern Cooperative Oncology Group
AIDS Malignancy Consortium
AIDS Malignancy Consortium
AIDS Malignancy Consortium
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
AIDS Malignancy Consortium
AIDS Malignancy Consortium
AIDS Malignancy Consortium
Radiation Therapy Oncology Group
Radiation Therapy Oncology Group
AIDS Malignancy Consortium
Radiation Therapy Oncology Group
AIDS Malignancy Consortium
European Organisation for Research and Treatment of Cancer - EORTC