Branches of oncology - Digestive/Gastrointestinal (GI) Cancer Cooperative Research Groups

Australasian Gastro-Intestinal Trials Group (AGITG) Camperdown, NSW, Australia

Belgian Group of Digestive Oncology (BGDO) Boncelles, Belgium

Grupo Español de Tratamiento de Tumores Digestivos (TTD) Madrid, Spain

National Cancer Research Network (NCRN) - Leeds, UK
Upper Gastro-Intestinal Cancer Group