ACOSOG: American College of Surgeons Oncology Group
ACRIN: American College of Radiology Imaging Network
CALGB: Cancer and Leukemia Group B
COG: Children's Oncology Group
ECOG: Eastern Cooperative Oncology Group
EORTC: European Organization for Research and Treatment of Cancer
GOG: Gynecologic Oncology Group
National Wilms Tumor Study Group
NCCTG: North Central Cancer Treatment Group
NCIC: National Cancer Institute of Canada Clinical Trials Group
NSABP: National Surgical Adjuvant Project for Breast and Bowel Cancer
QARC: Quality Assurance Review Center
RTOG: Radiation Therapy Oncology Group
SWOG: Southwest Oncology Group
